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契角棱鏡
Wedge prisms have similar function with optical windows. They all can be used as isolating components. Wedges may be used to produce a small deviation, which don't allow return to the source.
Specification for standard Wedge:
Dimension Tolerance:+0,-0.2mm
Flatness:?λ/4 at 632.8 nm
Surface Quality: 60-40 scratch and dig
Clear Aperture: >80%
Bevel: 0.2 mm to 0.5 mm x 45o
BK7 Wedge
Material: BK7 Grade A optical glass
Design Wavelength: 632.8 nm
Design Index: n=1.51467 @ 632.8nm
Thickness Tolerance:±0.2mm
Wedge Angle: ±1minute
Part No. | (mm) | b? | a? |
WED0101 | 25.4 | 1o | 1o57' |
WED0102 | 25.4 | 2o | 3o53' |
WED0103 | 25.4 | 4o | 7o46' |
Fused Silica Wedge
Material: UV fused silica
Design Wavelength: 632.8 nm
Design Index: n=1.48575 @ 308nm
Thickness Tolerance:±0.2mm
Wedge Angle:±1 minute
Part No. | ? (mm) | b? | ?a |
WED0201 | 25.4 | 1o | 2o 4' |
WED0202 | 25.4 | 2o | 4o7' |
WED0203 | 25.4 | 4o | 8o14' |
Note: Other sizes, material and coatings are available upon request.
