uv fused silica transmission

Order) Lianyungang Shengfan Quartz Products Co., Ltd. CN 2 YRS. SiO2 content is more than 99.9%, transparent quartz glass tube can reaches above 99.95%. The quartz and UV fused silica components offer great transmission, and are non-fluorescent under UV. 315-400 nanometers UVB. GE 124 is a very pure fused quartz, made from crystalline silica. 5%. Water-Cooled. Lots of glasses are impermeable to ultraviolet radiation, but only pure fused silica (only SiO 2) is transparent for wavelengths < 350 nm (UV). About SiO2 and other glass types Raw materials Chemical Purity Chemical behavior Examples of the different fused silica varieties we offer include: CORNING HPFS 7980 Industrial Grade. Shop Power Feedthroughs. Features a high transmittance from ultraviolet to near-infrared (185nm-00nm), a high transmittance in the deep ultraviolet region, better uniformity and lower thermal expansion coefficient. GE 124 Fused Quartz. Well, they have one major drawback, and that is cost. Custom coatings, sizes, and substrates are also available. 280-315 nanometers UVC. Reflecting Transmitting Ratio. SMA. Transmittance Curves Inclusions with a diameter 0.10 mm are disregarded. Corning 7980 Fused Silica Corning 7980 is a very pure, non-crystalline silica glass. Different grades of fused silica can differ very much e.g. A typical internal transmittance curve for HPFS Standard Grade fused silica is shown here. Shanghai Optics produces fused silica windows with diameters from 3.5 to 25.4 mm, and with thicknesses ranging from 1.0 to 3.0 mm. Description UV grade fused silica viewport Zero-length profile ConFlat flange UV grade fused silica windows Bakeable to 200C Non-magnetic materials Excellent transmission for UV to 250nm UHV compatible Specifications Flange material: 316L stainless steel (1.33") 304 stainless steel (2.75" to 8.00") Window material: Corning HPFS 7980 Fused Silica or equivalent TWD < 10 @ 632nm (peak to . Fused silica is a type of ultra-pure non-crystalline synthetic quartz with great optical and thermal properties. This non-crystalline, colorless silica glass combines a very . #UVFusedSilicaWindow https://lnkd.in/gAXqGb9T The material is fluorescent free with high OH centred @ 2.7 microns limiting transmission to 2.20 microns limiting its IR transmission. UV Fused Silica Double-Concave Lens: DCV08-20-520-540: UV Fused Silica Size:D8 T=1.5 FL=-20.5 Coating:AR/AR520-540: $56.70: 5 - 7 days: The quartz and UV fused silica components are effectively non-fluorescent at either wavelength. 4.9 (8) | quartz glass tube > quartz test tube > Science Lab Glassware > Contact Supplier. It is an irreplaceable optical material for aerospace. UV fused silica also has excellent transmission in the visible and infrared region up to approximately 2.1 m, and a low content of inclusions with high refractive index homogeneity. Fused silica positive lenses are most commonly used for focusing parallel rays of light to a spot. Fused Silica Viewports are available with diameters up to 8 inches and include zero length designs for low profile applications. For example, Type I silica glasses tend to contain metallic impurities [3,4]. Wedge, size, AR coating wavelength, angle of incidence, and polarization may be specified for optimum performance. Chemically known as SiO2, silica is "pure" glass. Our TECHSPEC Fused Silica PCX Cylinder Lenses are ideal for UV beam shaping, or for applications operating in harsh or rugged environments. Fused silica supports prepared at 1150 C for 1 h with 5% BA exhibit average porosity of 42.3% and bending strength of 14.9 MPa. IT SHALL NOT BE MODIFIED IN ANY WAY. UV grade fused silica is manufactured synthetically through the oxidation of high purity silicon by flame hydrolysis. Big or small, the max size we did . . Clear aperture is greater than 85 percent, and parallelism is always better than 5 arc min. UV light is electromagnetic radiation that is invisible to the human eye with wavelengths ranging from 180-400 nanometers. It differs by its high UV-transmittance from natural Fused Silica, molten from crystalline quartz. Ultraviolet-Grade Fused Silica Windows transmit light reaching as far down as 160nm, with maximum transmission from 195-2100nm. It has high transmittance in the 180-2500nm wave band (about 93.5%). Size (mm) 25.4 mm sq. We process many grades from global manufactures. Description. Unlike most other glasses, fused silica does not contain any additives. Its outstanding homogeneity, lack of fluorescence and resistance to thermal shock makes it ideal for applications demanding superior wavefront performance when exposed to high-power lasers and challenging environmental conditions. UV Fused Silica Window UV Fused Silica Window made from UV Fused Silica have high transmission from 185nm to 2100nm, making them ideal for spectroscopic instruments in the UV to IR. Refers to the diameter of the largest single inclusion. Translume works with Fused Silica (also called fused quartz). Such qualities make it ideal for vacuum . The broad transmission range from UV-VIS-NIR makes it ideal for UV applications, as well as through the visible spectrum to NIR region. Fused Silica can operate down to 190 nm and all through the visible Split Ratio Tolerance. On the other hand, Types III and IV are much purer than Type I and feature greater ultraviolet (UV) transmis-sion [3,4]. 2 The UV grade demonstrates high transmittance in the UV spectrum, but there are dips in transmission centered at 1.4m, 2.2m, and 2.7m due to absorption from hydroxide (OH-) ion impurities. are mixed composition glasses - in addition to SiO 2, they include such ingredients as Na 2 O, CaO, and . transmission and a transmission window from 190 nanometers in the UV to 5 microns in the IR. IR grade fused silica differs from UV grade fused silica by its reduced amount of OH- ions, resulting in higher transmission throughout the NIR spectrum and reduction of transmission in the UV spectrum ( Figure 1 ). The optical grade Fused Silica is virtually bubble free with resistance to chemicals, withstanding high temperatures and thermal shock. grades Q0 + Q1) excellent UV transmittance very low fluorescence high laser durability low stress . VIEWPORT, Z-L, UV FUSED SILICA (QUARTZ), 1-1/3"UHV VPZL-133Q (please . UV Fused Silica has high transparency in the UV ultraviolet 180nm to the (IR) infrared over 2.3 microns. Custom Feedthroughs. Non-Magnetic. Fused Silica is perfect optical material due to its good UV and IR transmission, low coefficient of thermal expansion. 60:40. UV (Standard Grade) Fused Silica Transmission Chart. In the UV ultraviolet, UV Fused Silica has a high transparency and hence, it is an excellent choice for applications that require higher UV transmission than N-BK7. 13355 NEVADA CITY AVENUE GRASSOD VALLEY, CA. Shop Viewports. Fused silica Windows According to the spectral region, quartz glass is divided into JGS1, JGS2, JGS3 (related to the Hydroxyl Group in the material). 1/6. It features very low thermal expansion and excellent optical qualities, including very high transmission in the UV spectrum. Unlike conventional UV filters coated by electron beam deposition, these UV shortpass filters fulfill higher transmission in passband, longer blocking range (~700nm), and environmental durability simultaneously just on monolithic fused silica substrates thanks to the state-of-the-art magnetron sputtering technology. Thorlabs' UV Fused Silica (UVFS) Zoom Beam Expanders can continuously expand or reduce the diameter of a collimated beam over the specified magnification range (0.5X - 2.5X, 1X - 4X, 2X - 8X, or 4X - 16X). Fused Silica refractive index varies from 1.55 to 1.40 through the transmission range. Fused Quartz and Fused Silica Wafer in Infrared and Ultraviolet Spectrum Fused Silica or Fused Quartz which is the amorphous phase of quartz (SiO2). In addition to superior transmission, the synthetic fused silica of these optical windows exhibit higher thermal properties, exceptional purity, and excellent environmental durability for demanding applications. OH- ions can be reduced by melting high-quality quartz or using special manufacturing techniques. Our fused silica products include industrial fused silica and UV Grade fused silica. These are all bakeable to 200C. There are three classes: UVA. Operating Range. Optical Transmission of Fused Silica Wafers (Corning 7940 & 7980) Mechanical, Thermal and Electrical Properties of Fused Silica Wafers (Corning 7940 & 7980) Fused silica is a transparent glass formed by melting and cooling pure silica sand. JGS1 is an optical quartz glass made of synthetic stone (SICL-4), a raw material that is melted with a high purity oxygen flame. Fused Silica is formed by chemical combination of silicon and oxygen. These precisely polished uncoated flats are designed with a small wedge of 30 5 arc minutes to minimize interference effects between the surfaces and reduce back reflection. Make sure the "glass" chosen has a reasonable transmission at the wavelengths of interest. Fused Silica is used for windows, lenses and prisms in the transmission range 0.16-3.5m. Other sizes available. Sapphire. 4. No solarization in high-radiation systems. 3. 3. JGS2 with a transmission rate of more than 93.5% is transparent in the 220-2500 nm band. However, Type III silica glasses have, in general, higher water content, and infrared (IR) transmission is limited by strong water absorption Among these are: high chemical purity and resistance, high softening temperature and thermal resistance, low thermal expansion with high resistance to thermal shocks, high transparency from the ultraviolet to the infrared spectral range, high radiation resistance. 3. Have a Custom Application? Its high homogeneity, lack of fluorescence and resistance to thermal shock makes it ideal for applications demanding superior wavefront performance . At Swift Glass, we specialize in fabricating high-quality fused silica parts for use in optical applications and more. It is very popular due to cheap production, as it is made from sand, very good thermal dimensional stability, and its durability. UV fused silica is an excelent material for the transmission of UV light. When compared to N-BK7, UV fused silica is transparent over a wider range of wavelengths (185 nm - 2.1 m) and also offers a lower index of refraction as well as better homogeneity. SKU: A0657-12-W. $ 696.42. All lenses feature /8 surface accuracy and 20-10 scratch-dig surface quality. 3 Fused Silica Fused Silica, also known by trade names Suprasil, Spectrosil, Lithosil, etc., is the most common of the UV grade transmissive materials. transmittances of UV-grade synthetic fused silica and BK7 glass. Never scratch the viewing area-a weakened viewport may implode (or explode under wrong conditions). Description. . It is an excellent optical material in the range from 185nm to 2500nm. It is also frequently used at the popular 1.064m Nd:YAG laser wavelength. Quartz glass also exists as an opaque variety and with different coloration to change the physical and chemical properties like transmission or absorption for specific wavelength (filter glass). IF-UV: Fused Silica Interferometer Windows, Laser Grade High quality, uncoated windows for high power use in interferometry & quality testing; 30 5 arc min wedge. Contact to get fused silica optics now! . Availability: Thickness . Focusing light in only one dimension, cylinder lenses are commonly used with linear sensor arrays, or to create a line from a laser source. Surface Finish: 40/20. LithosilTMQT is not specified concerning homogeneity, striae and striations. In a sample thickness of 10 mm, the internal transmittance of UV-grade synthetic fused silicadiffers UV-Grade Fused Silica (UVFS) is ideal for use in applications in the UV range that go beyond the transmission of N-BK7. Internal Transmittance HPFS Standard Grade is certified to meet T external 80%/cm@185nm (T internal 88%/cm@185nm), when measured through a polished, uncoated sample. 100 80 60 40 20 0 T i [%/cm] 0 500 1000 1500 2000 2500 3000 3500 4000 . And the JGS3 is IR grade of Fused Silica has high transmittance (>90%) in 700~3500nm wave band. Glass codes 7980, 7979, and 8655 are high purity non-crystalline silica glasses with excellent optical qualities. . Description: Fused silica window, with low thermal expansion, providing stability and resistance to thermal shock over large temperature excursions, wide thermal operating range and high laser damage threshold, is a better choice for transmission from UV to IR. range or optics in the UV with less stringent demands on transmission. Therefore, low porosity will be beneficial for the photocatalytic application of the fused silica support. [See More] Materials: Ultra-violet grade Fused Silica BNC. Fused quartz is very efficient for the transmission of infrared radiation. Fused silica is used for both transmissive and reflective optics, especially where high laser damage threshold is required. The UV Fused Silica material has excellent purity, no fluorescence and high transmission in the DUV, UV and IR region from 180nm to 2000nm. In addition, it also can be used in higher operating temperatures. It is resistant to scratching and thermal shock. To expand the transmission graphs, please click on the image. UV Fused Silica Transmission Graph. PERMISSION IS GIVEN TO PRINT AND DISSEMINATE FREELY. UV Fused Silica Windows/quartz glass plate are precision manufactured using UV-grade synthetic fused silica. For this application, fused silica is an excellent choice. It has high transmission from 200nm to 2.5m. 2. UV fused silica also offers a lower index of refraction for a given wavelength, better homogeneity, and a lower coefficient of thermal expansion than N-BK7. The curves in the figure below represent the average transmissions for a 10mm thick test sample for both commercial and optical grades. Fused silica is a purer version of fused quartz that is made from various silicon gasses. Diameter, Square Side, or Rectangular Length: 2 to 350 mm. UV Fused Silica also provides a low coefficient of thermal expansion with . UQG Optics supply UV Fused Silica Windows and substrates, either custom made or from our standard stock. Cost of the material ranges widely by type and purity. Purity: 1. UV-grade fused silica is well-suited for applications that benefit from increased transmission deeper into the UV than N-BK7. 2 LITHOSIL Synthetic Fused Silica LITHOSIL is available in four different inner quality grades as well as in a "standardgrade- opto" version. This grade is recommended for technical applications. . Leak Rate: <210 (-10) atm cc/sec He. Ultraviolet UV filter glass; Violet filter glass; Yellow-filter-glass.htm; Heat Absorbing Filters; Neutral Density Filters; Wavelength Filtered Glass; . UV Grade Fused Silica Viewport, 2.37 View Dia, 2.50 Dia Stainless Steel Weld Adapter. For application in infrared optics, it is essential to have a low content of hydroxyl (OH) - often somewhat inappropriately called water content, since it is wrong to assume that the material would contain H 2 O molecules. 250 nm - 2.0 . Substrate. These plate beamsplitters are fabricated from UV-grade fused silica, which offers high transmission deep into the UV, good homogeneity, and a lower coefficient of thermal expansion than N-BK7. The energy density threshold on IR laser optics is mainly influenced by the purity and homogeneity of the fused silica. As a leading fused silica manufacturer, Ecoptik provides quality fused silica (also known as BRD Optical) wholesale. Key quality features of the different grades are: inclusion / bubble free (eg. Fused Silica (also known as Synthetic Fused Silica) is made from a silicon-rich chemical precursor, usually using a continuous flame hydrolysis process, which involves chemical gasification of silicon, oxidation of this gas to silicon dioxide, and thermal fusion of the resulting dust (although there are alternative processes). Custom Viewports. Temperature :Softening point temperature is about 1730 degrees . Notes: All viewports are fragile and should be handled and mounted with extreme caution. UV transmittance of the samples is decreased by the scattering between the pores and the matrix. in terms of infrared and UV transmission! LithosilTMQ0/1-E193 LithosilTMQ0/1-E248 The excimer grade equivalents of Lithosil TMQ0 and Lithosil Q1 for 248 nm (LithosilTMQ0/1-E248) or 180-280 nanometers While we're familiar with UVA and UVB, there's a lot of attention now on UVC light. Optical Quartz Glass - Synthetic UV-Grade Fused Silica Optical Transmission Conditional of manufacturing range of typical UV-transmission fluctuation at 10mm thickness, considering the natural surface reflection losses Theoretical natural surface reflection losses (uncoated quartz glass) It is evident from this graph that UV-grade synthetic fused silica averages about two orders of magnitude less absorption loss than BK7 across the visible spectrum. GE 124 is very similar to fused silica, with the exception of less transmission in the UV spectrum and much lower OH content. Fused silica. The JGS2 is UV grade of Fused Silica has high transmittance (>90%) in 220~2500nm wave band. Infra-red grades of Fused Silica are available for NIR use Product Data Refractive Index Product Notes To download this data as a pdf file, or to download our MSDS safety data sheet, please click on the links at the top of the page. Transmission: >90% @ 250nm . Click on and enlarge the image above to gain an impression. Why not just use these instead of glass slides whenever working with UV? Voltage. Fused Silica Uv Silica Quartz Glass High Transmittance Fused Silica Transparent UV Quartz Glass Plate For Lamp. Success. It is an amorphous solid with a purity that gives it excellent optical transmission. User-specified AR coated laser windows are precisely polished before a high power, low-loss dielectric antireflection coating is applied to one or both sides. Index homogeneity: the maximum index variation (relative), measured over the clear aperture of the blank. JGS1 is Fused Silica with UV-Quality. UV fused silica lenses are ideal for uses in UV and high power laser applications. REFLEX Analytical produces high quality Ultraviolet Fused Silica optics for exceptional transmission from 180 nanometers to 2 microns. usually natural quartz sand. Figure 1: Transmission data . The JGS1 is VUV grade of Fused Silica and has high transmittance (>90%) in 180~2500nm wave band. Defines the sum of the cross section in mm2 of inclusions per 100 cm3of glass. High Uv Transmission Rectangle Clear SIO2 Fused Silica Plate. Transmission of UV fused silica lenses (individually and combined) The UV fused silica lenses have essentially flat transmission spectra down to 280nm which is far as I can currently measure the lens transmission. HPFS glasses are known throughout the industry for their consistent, repeatable performance. It has high stability and resistance to thermal shock over large temperature excursions, wide temperature operating range and high laser damage threshold. . The material has high homogeneity and good transmission in the visible and near infrared spectral regions. Infrared transmission extends out approximately 4 micrometers, with little absorption in the "water band" at 2.73m. Fused Silica is offered in many different grades to support various product applications. Amperage. Fused silica provides better transmission in the UV range compared to standard borosilicate glass. For custom coating requirements, please contact our Sales . However based on the specs for the fused silica, they would be good for use down to 250nm and even below. An OH content below . Ultraviolet (UV) Fused Silica UV fused silica provides excellent transmission into the deep UV. Additionally, UV fused silica windows have a lower index of refraction for a given wavelength, improved uniformity, and a cheaper cost. Fused Silica is the material used in UV region and imaging applications. H-K9L ,UV fused silica,Corning7980, etc 3, Customer's design and tailor made are welcome. Fused Silica is a synthetic amorphous silicon dioxide that can be made to have outstanding optical and physical characteristics: excellent homogeneity; bubble & inclusion free; very low stress birefringence; good for transmission from the deep UV to the near IR; good optical properties in three directions Transparent UV Quartz Wafer Fused Silica Plate Quartz Glass Plate Wholesale Clear Quartz Plate FUSED QUARTZ PLATE.laser/ lenses/optical instrument/high temperature window. $0.80-$1.00 / Piece. Our UV Fused Silica Bi-Convex lenses are available uncoated or coated with a variety of multi-layer antireflection coatings. Fused Silica is suitable for applications in the UV, VIS, IR band and is often used as a viewport window. UV Fused Silica is synthetic amorphous silicon dioxide of extremely high purity providing maximum transmission from 195-2100 nm. Other features besides its purity include excellent thermal properties and high resistance to chemicals. The focus of your application is on the wavelength from 180 - 400 nm: VUV: < 190 nm DUV: 190 - 280 nm UV: 280 - 400 nm The most important optical properties for this wavelength region are high transmission and excellent purity, no fluorescence, outstanding damage resistance against UV or other high-energy radiation. Quality sio2 fused silica plate for sale from sio2 fused silica plate suppliers - 70 sio2 fused silica plate manufacturers & wholesalers from China. This glass is composed exclusively of high-purity silica (SiO 2) in amorphous (non-crystalline) form.In contrast, other common glasses (Pyrex, borosilicate, soda-lime, etc.) It is durable and has good mechanical properties. MHV. 95945 VIEWPORT, VACUFLANGE, w/FUSED SILICA (QUARTZ) THIS DRAWING IS THE PROPERTY OF HUNTINGTON MECHANICAL LABS, INC., AND IS PROPRIETARY IN GENERAL AND IN DETAIL. Chemical Properties Fused Silica Chemical Composition. Thermal Range: -100C to 200C. What is JGS1 Fused Silica? Fused Silica is used for UV and visible components. UV-FS offers: broad transmission range low thermal expansion coefficient, providing high thermal stability and resistance to thermal shocks thermal operating range up to 800 C great hardness and resistance against scratches UV Grade Fused Silica. CaF 2 Coatings and Applications. Our factory standard for diameter tolerance is +0.0, -0.05mm, and for thickness tolerance, +/- 0.1mm. 1. FUSED SILICA GLASS OVERVIEW These zoom beam expanders use a low-aberration, air-spaced sliding lens design optimized to pr To contact someone directly, please click here, or call +1 412 387 9200 to get in contact with your dedicated sales team. 10 Pieces (Min. The absorption. It contains a large amount of hydroxyl (2000 ppm) and has excellent UV transmission. ANCORP offers fused silica viewports in both ultraviolet (UV) grade and deep ultraviolet (DUV) laser-grade viewing window materials. 2. Flange Material: 304/316 Stainless Steel. 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