Water Free Synthetic Fused Silica Window for Infrared Laser / OPNQ
A standard Fused silica window has hydroxyl absorption (OH radical group) at wavelength 1.4μm, 2.2μm, 2.7μm. Anhydrous synthetic quartz is a special material that does not absorb water molecules in the molecular glass; therefore there is no hydroxyl absorption at the IR region.
The physical characteristics and optical properties of none hydroxyl absorption at IR region is the only difference from conventional synthetic quartz.The material is physically robust and provide higher stability and is recommend for use in vacuum and high pressure environments.
Common Specifications
| Material | Water Free Synthetic Fused Silica |  |
|---|---|---|
| Parallelism | ＜3′ | |
| Surface Quality (Scratch-Dig) | 20－10 | |
| Clear Aperture | 90% of the diameter |
| Schematic | Outline Drawing |
|---|---|
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| Part Number |
Diameter φD |
Thckness t |
|---|---|---|
| OPNQ-30C03-P | φ30mm | 3mm |
| OPNQ-30C05-P | φ30mm | 5mm |
| OPNQ-50C03-P | φ50mm | 3mm |
| OPNQ-50C05-P | φ50mm | 5mm |
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