Wedged Substrate / WSB-100C15-20-1
Wedged substrates can separate the reflected beam by the front and back surface of the substrates by the slight wedge angle. They can be used as a reference test plate for interferometers and beam samplers.
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Part Number
WSB-100C15-20-1
S$95,400.00
◦It can also be used as a prism to refract at a small angle. Beam deflection angle δ can be calculated refractive index n, from the wedge angle α.
δ ＝ sin−1（ n sinα） − α ≒（ n − 1） α
◦In BK7, 0.52 times the angle of the wedge, and in synthetic fused silica, 0.46 times the angle of the wedge. (Visible range, normal incidence)
δ ＝ sin−1（ n sinα） − α ≒（ n − 1） α
◦In BK7, 0.52 times the angle of the wedge, and in synthetic fused silica, 0.46 times the angle of the wedge. (Visible range, normal incidence)
| Catalog Code | W3141 | ||||||||||||||
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| RoHS | Yes | ||||||||||||||
| CE | No | ||||||||||||||
| Download Product's Datasheet | |||||||||||||||
| Guide | ▶An arrow mark on the thicker side of the edge indicates front surface of the substrate. ▶It is also available beam sampler (BS4) coated with anti-reflection coating on the back. WEB Reference Catalog Code/W3025 ▶It is also available fabrication of the wedged substrates with a requested coating. |
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| Attention | ▶Wedged substrates are not coated on both sides. There is a 3.5 to 4% reflection of the surface of the glass. ▶If the wedged substrate is inserted in the optical path of the laser beam, the transmitted beam is inclined slightly causing the refraction. |
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| Specifications |
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