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Variable Attenuator for Nd:YAG Linearly Polarized Laser Beam 990-0070

Variable Attenuator for Nd:YAG Linearly Polarized Laser Beam 990-0070

This variable attenuator/beamsplitter consists of special design opto-mechanical Adapter and precision opto-mechanical holder 840-0197.

from 748 $
delivery Estimated delivery time: 4 - 5 days
Qty discount: 5-9 pcs. of the same item - 5% OFF! 10+ pcs. 10% OFF!
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Description
Code Wavelength Price Delivery Add to cart
990-0070-266 266 nm 968 $ 4 - 5 days
990-0070-355 355 nm 858 $ Request
990-0070-532 532 nm 748 $ Request
990-0070-1064 1064 nm 748 $ Request
Aperture diameter 17 mm
Damage threshold >5 J/cm2 pulsed at 1064 nm, typical
Polarization Contrast (after 1st polarizer) >1:200
Polarization Contrast (after 2nd polarizer) >1:500
EKSMA Optics Variable Attenuator for Nd:YAG Laser Pulses 990-0070
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  • Divides laser beam into two parallel beams of manually adjustable intensity ratio
  • Large dynamic range
  • Negligible transmitted beam deviation
  • High Optical damage threshold
  • S -Pol attenuation range ~ 0.25% - 99.0% P-Pol attenuation range ~ 0.5 % - 95.0 %  

This variable attenuator/beamsplitter consists of special design opto-mechanical Adapter and precision opto-mechanical holder 840-0197. Two Thin Film Brewster type polarizers, which reflect s-polarized light while transmitting p-polarized light, are housed into Adapter. Quartz  Half Waveplates are housed in rotating holder 840-0197. The intensity ratio of those two beams may be continuously varied without alteration of other beam parameters by rotating the waveplate. The intensity of either exit beam, or their intensity ratio, can be controlled over a wide dynamic range. P-polarization could be selected for maximum transmission, or high-purity s-polarization could be reflected when maximum attenuation of the transmitted beam takes place. The holder 840-0197 allows to adjust Angle Of Incidence of the Thin Film Brewster type polarizers by ±2° and to get the maximum polarization contrast.