Meadowlark Optics
Laser Line Beamsplitting Polarizer
Right-angle prisms are carefully paired to create laser line beamsplitting polarizers with exceptional wavefront quality in both transmission and reflection. Each cube divides unpolarized light into two linearly polarized components with minimal absorption. Using the principle of pile-of-plates polarizers, they transmit p-polarized light with around 1000:1 contrast. These polarizers work best with collimated or near-collimated light, delivering high contrast, low reflectance, and minimal wavefront distortion in the transmitted beam. Contact a Meadowlark Optics Solutions Engineer for assistance with your unique needs.
Laser Line Beamsplitting Polarizer
KEY FEATURES
- High contrast
- Low reflectance
- Low transmitted wavefront distortion
Right-angle prisms are matched in pairs to produce high quality laser line beamsplitting polarizers with superior wavefront quality in both transmission and reflection. The hypotenuse face of one prism is coated with a multilayer dielectric beamsplitting coating optimized for laser performance. Two prisms are cemented together, protecting the critical coating from performance-degrading environmental factors. Each cube separates an unpolarized incident beam into two orthogonal, linearly polarized components with negligible absorption. Following the principle of pile-of-plates polarizers, p-polarized light is transmitted with approximately 1000:1 contrast and s-polarization is reflected with approximately 20:1 contrast. These polarizers perform best with collimated or near-collimated light.
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COMMON SPECIFICATIONS
- Substrate: N-BK7
- Surface Flatness (P-V @ 632.8 nm): ≤ λ/4 for p-polarized beam
- Surface Quality: 40 –20 scratch-dig
- Beam Deviation: Transmitted ≤ 3 arc-min
- Reflectance (per surface): ≤ 0.25%
- Contrast Ratio, Transmitted: ≥1,000:1
- Transmission: p-polarized light ≥ 95% transmitted, s-polarized light ≥ 99.8% reflected
- Storage Temperature: -50˚C to + 80˚C
- Operating Temperature: -50˚C to + 80˚C
- Laser Damage Threshold: ≥ 0.5 J / cm2, 10 ns
Item # | Size | Wavelength | Lead Time | Price | Quantity | Add to cart |
---|---|---|---|---|---|---|
0.500 x 0.500 x 0.500 in. (12.70 x 12.70 x 12.70 mm) | Specify λ 400-1600 | 2 weeks | $515.00 | Max: Min: 1 Step: 1 | ||
1.000 x 1.000 x 1.000 in. (25.40 x 25.40 x 25.40 mm) | Specify λ 400-1600 | 2 weeks | $563.00 | Max: Min: 1 Step: 1 |