N-BK7 and Fused Silica Wedge Prisms and Windows
N-BK7 and fused-silica wedge prisms and wedge windows have inclined planes that deflect light toward the thicker side. They can act as separating optical elements like windows; a slight angular deviation prevents light from returning to the source.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Material | N-BK7, UV fused silica, ZnSe, germanium, etc. |
| Dimensional Tolerance | +0.0, -0.1mm |
| Thickness Tolerance | +/-0.2mm |
| Surface Finish | 60-40 Seconds/Day |
| Surface Figure [632.8nm] | λ/4 @ 632.8nm |
| Wedge Tolerance | ±1 arcmin |
| Clear Aperture Dimension | >85% of Dimension |
| Chamfer [45°] | <0.25mm×45° |
| Coating | AR Coating, Dielectric Coating or as Requested |
| Diameter [Diameter (mm): φ25.4; deviation angle (α): 1°; wedge angle (β): 1°57'] | φ25.4 |
| Deflection Angle(α) [Diameter (mm): φ25.4; deviation angle (α): 1°; wedge angle (β): 1°57'] | 1° |
| Wedge Angle(β) [Diameter (mm): φ25.4; deviation angle (α): 1°; wedge angle (β): 1°57'] | 1°57' |
| Diameter [Diameter (mm): φ25.4; deviation angle (α): 2°; wedge angle (β): 3°53'] | φ25.4 |
| Deflection Angle(α) [Diameter (mm): φ25.4; deviation angle (α): 2°; wedge angle (β): 3°53'] | 2° |
| Wedge Angle(β) [Diameter (mm): φ25.4; deviation angle (α): 2°; wedge angle (β): 3°53'] | 3°53' |
| Diameter [Diameter (mm): φ25.4; deviation angle (α): 4°; wedge angle (β): 7°46'] | φ25.4 |
| Deflection Angle(α) [Diameter (mm): φ25.4; deviation angle (α): 4°; wedge angle (β): 7°46'] | 4° |
| Wedge Angle(β) [Diameter (mm): φ25.4; deviation angle (α): 4°; wedge angle (β): 7°46'] | 7°46' |
| Diameter [Diameter (mm): φ25.4; deviation angle (α): 6°; wedge angle (β): 11°39'] | φ25.4 |
| Deflection Angle(α) [Diameter (mm): φ25.4; deviation angle (α): 6°; wedge angle (β): 11°39'] | 6° |
| Wedge Angle(β) [Diameter (mm): φ25.4; deviation angle (α): 6°; wedge angle (β): 11°39'] | 11°39' |
Applications
Key Features
Datasheet
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Supplier Information
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