Wedge Optical Windows, Φ50.8mm, Thickness=10.0mm SWIR, UV Fused Silica, United Optical Technology Co., Ltd (CAT#: STEM-OP-3117-YJL)

Wedge Optical Windows, Φ50.8mm, Thickness=10.0mm SWIR, UV Fused Silica, model 197575, is manufactured by United Optical Technology Co., Ltd.
The two planes of UV Fused Silica High Precision Wedge Windows have an included angle of 30 arc minutes.
When used in pairs, through the relative rotation of the two optical wedges, the outgoing beam can be positioned in any direction within a pyramid with the incident beam as the axis. UV fused silica glass material has a wider spectral range (185nm-2.1μm) than K9 optical glass and has excellent transmittance in the ultraviolet band. It has a lower refractive index, better uniformity, smaller thermal expansion coefficient, higher chemical resistance and very low fluorescence, and can be used to make various optical components.

Diameter: Φ50.8mm
Coating: AR@900-1700nm
Material: UV Fused Silica
Surface Accuracy: λ/10@633nm
Thickness: 10.0mm
Wedge Angle: 30arcmin±10arcmin
Surface Quality: 10/5-20/10
Diameter Tolerance: +0.0/-0.1mm
Thickness Tolerance: ±0.2mm
Bevel: Protective Bevel 0.2~0.5mmX45°

Two non-parallel planes can avoid the interference effect (Etalon effect) caused by the reflected light from the front and rear surfaces of the highly parallel window. At the same time, it can also avoid the optical interference feedback of the laser resonator, which causes poor stability of the laser output, mode jumping, etc.

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