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Thin Film Polarizers with High Extinction Ratio, UV FS, Tp>98%, Ts<0.1%
High Transmission Thin Film Laser Polarizers, UV FS, Rs/Tp>99.5/99.0%
Standard Transmission Thin Film Polarizers, BK7, Rs/Tp>99.5/95.0%
Standard Transmission Thin Film Laser Polarizers, UVFS, Rs/Tp>99.5/95.0%
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Material
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BK7, UVFS
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Surface Quality
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20-10 scratch&dig
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Transmitted Wavefront Distortion
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λ/10@633 nm
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Parallelism
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<30arcsec
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Clear Aperture
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>90%
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Angle of Incidence
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56° ±2°
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Diameter Tolerance
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+0.0-0.12 mm
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Thickness Tolerance
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±0.2 mm
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Laser Damage Threshold
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6 J/cm2, 10 nsec pulse at 1064 nm typical
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| Nd:YAG Thin Film Laser Polarizers (Rectangular)
148.76 kB |
- Provide the achievement of strictly linear polarization of laser radiation
- Utilise the polarization which occurs on reflection from a plane surface
- 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 are used in high energy lasers. They can be used as extracavity attenuators for Nd:YAG laser fundamental and its harmonics or intracavity Q-switch hold-off polarizers. The most efficient way to use thin film polarizers is at Brewster angle – 56°±2° with minimal losses. Typical polarization ratio Tp/Ts is 200:1. We provide Thin Film Laser Polarizers with Tp>99% under customer request.
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Eksma Optics
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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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