JGS1 Optical Glass Window for UV & IR Applications | Custom Fused Silica Windows X-P25W1T9701
High-precision Optical JGS1 Quartz Glass Window with excellent UV–IR transmission and superior surface quality. Made from JGS1 fused silica, this optical window ensures high thermal stability and minimal distortion, suitable for laser and imaging applications. Diameter: 50 mm Thickness: 10 mm Material: JGS1 (UV-grade fused silica) Coating: AR coating on single surface What is an Optical Glass Window?An optical glass window (also called a fused silica window or quartz glass window) is a flat, polished plate that allows light to pass through without changing its wavelength or direction. It acts as a protective optical barrier in many laser, imaging, and scientific systems. VY Optics produces JGS1 optical quartz glass windows made from UV-grade fused silica, offering excellent transmission from 200 nm to 2500 nm and high resistance to heat and chemical damage. FAQ / People Also AskQ1: What is JGS1 glass used for?JGS1 glass is a UV-grade fused silica material used for optical windows, lenses, and prisms. It provides high light transmission from the ultraviolet to infrared range. Q2: Is JGS1 the same as fused silica?Yes. JGS1 is the Chinese standard grade for UV-grade fused silica, similar to Corning 7980 or Heraeus Suprasil in optical performance. Q3: What is the difference between JGS1 and JGS2?JGS1 has higher UV transmission and better homogeneity compared with JGS2. It is ideal for precision optical and laser applications. Q4: Can I order a custom JGS1 optical window?Absolutely. VY Optics supports custom sizes, shapes, and coatings (AR, HR, mirror) according to your design or system requirements. How to Choose the Right Optical WindowSelecting the right optical window depends on wavelength range, material type, coatings, and environment. Proper selection ensures optimal optical performance and durability. Factors to Consider:Wavelength Range: JGS1 fused silica windows are suitable for UV to IR (200–2500 nm). Material Type: Choose JGS1, BK7, sapphire, or other materials based on application requirements. Surface Quality & Flatness: Critical for high-performance imaging and laser systems. Coating Selection: AR, HR, or protective coatings reduce reflection losses and improve performance. Environmental & Mechanical Conditions: Consider temperature, humidity, and chemical exposure. Customization: VY Optics provides custom sizes, shapes, and coatings for all optical windows.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Material | JGS1 (UV-grade fused silica) |
| Diameter | 50 mm |
| Thickness | 10 mm |
| Surface Quality [scratch-dig；optional] | 10-5 to 40-20 scratch-dig (optional) |
| Flatness | λ/10 or better |
| Parallelism | < 3 arc seconds |
| Coating [single-side] | Single-side Anti-Reflective (AR) coating |
| Transmission Range | 200 – 2500 nm |
| Refractive Index (nD) [587.6 nm] | 1.4585 @ 587.6 nm |
| Customization | Size, shape, and coating available on request |
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