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Thin Film Polarizers with High Extinction Ratio, UV FS, Tp>98%, Ts<0.1%
Standard Thin Film Polarizers, BK7, Rs/Tp>99.5/95.0 %
Standard Thin Film Polarizers, UV FS, Rs/Tp>99.5/95.0 %
| Material | BK7, UV FS |
| Surface Quality | 20-10 scratch & dig (MIL-PRF-13830B) |
| Transmitted wavefront distortion | λ/10 @ 633 nm |
| Transmission efficiency | Tp>95% |
| Extinction ratio Tp/Ts | >200:1 |
| Laser damage threshold | >100 mJ/cm2, 50 fsec pulse, 800 nm typical, 50 Hz |
| EKSMA Optics Femtoline Thin Film Laser Polarizers
142.41 kB |
- Rs/Tp>99.5/95.0% for Standard Thin Film Laser Polarizers
- Rs/Tp>99.5/99.0% for High Transmission Thin Film Laser Polarizers
- Tp>98%, Ts<0.1% for Thin Film Polarizers with High Extinction Ratio
- >200:1 exctinction ratio for standard and high transmission polarizers
- >1000:1 exctinction ratio for polarizers with high extinction ratio (HE series)
Thin Film Polarizers seperate s- and p-polarization components. Thin Film Polarizers can be used as an alternative to Glan laser polarizing prisms or cube polarizing beamsplitters due to the high damage threshold reaching 100 mJ/cm2, at 800 nm, 50 fsec.
Thin Film Polarizers are used in high energy lasers. They can be used for Yb:KGW/KYW or Ti:Sapphire laser fundamental wavelength and its harmonics or intracavity Q-switch hold-off polarizers. The most efficient way to use thin film laser polarizers is at Brewster angle - 56° ±2 ° with minimal losses. Typical horizontal polarization ratio Tp/Ts is 200:1. Thin Film Laser Polarizers with Tp>99% are available on customer request.
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- Address: Dvarcioniu st. 2B LT-10233 Vilnius, Lithuania
- Phone: (+370) 5 272 99 00
- Fax: (+370) 5 272 92 99
- E-mail: info@eksmaoptics.com
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