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| Code | 669731 | Type | Wollaston Crystal Polarizing Prism | |
| Working Wavelength | 400-700nm | Transmitted Wavefront Error (@633nm) | λ @50% CA, 2λ @90% CA | |
| Optical Component Material | Left-Hand Circular Polarizing Film / N-BK7 | Transmission Beam Deviation (Unhoused) | <2 arcmin | |
| Clear Aperture | Ø20.0mm | Transmission Beam Deviation (Housed) | <10 arcmin | |
| Mechanical Housing Diameter | Ø25.4mm | Angle of Incidence (AOI) | ±15° | |
| Surface Quality (Scratch/Dig) | 40/20 | Anti-reflection Coating | 400nm - 700nm | |
| Operating Temperature | 0-60°C | Reflectance | Ravg < 0.5% @ 400-700nm, 0° AOI | |
| Damage Threshold | 0.06 J/cm² @532 nm, 10 ns, 10 Hz 0.077 J/cm² @532 nm, 122.7 fs, 50 kHz, Ø7.919 μm (Single Pulse) 0.066 J/cm² @532 nm, 122.7 fs, 100 Hz, Ø7.919 μm (100 Pulses) |
Ellipticity Uniformity | >99% |
Left-Hand Circular Polarizing Film / N-BK7 Window
Working Wavelength: 400-700 nm
AOI: ±15°
The LBTEK Economical Thin Film Left-Hand Circular Polarizer is mounted in a metal retaining ring, ensuring that the circular polarizer is not directly subjected to force during installation and use. The left-hand circular polarizer can convert incident natural light or any polarized light into left-handed circularly polarized light. Additionally, it can also convert left-handed circularly polarized light into linearly polarized light.
The metal retaining ring of the LBTEK circular polarizer is engraved with two scale lines on the front, which indicate the transmission direction of the internal linearly polarized component. When the light beam enters from the side with the scale lines, the output light will be circularly polarized, making it easier for customers to identify and use.
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