專業10APF3-1CVAB - Continuously Variable Attenuator / Beamsplitter廠商

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10APF3-1CVAB - Continuously Variable Attenuator / Beamsplitter

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10APF3-1CVAB - Continuously Variable Attenuator /

產品特色
Divides laser beam into two beams of manually adjustable intensity ratio
Convenient 90deg angle between reflected and transmitted beams
Negligible beam deviation
Broadband transmission
Large dynamic range

 

Continuously Variable Attenuator / Beamsplitter for down to 100 fs laser pulses. This variable attenuator / beamsplitter consists of 2 high-performance polarizing optics components placed in precision opto-mechanical Holder 5APH79T-1. Variable attenuator / beamsplitter incorporates a high-performance Polarizing Cube Beamsplitter which reflects s-polarized light 90 while transmitting p-polarized light.


A rotating quartz Phase λ/2 Waveplate is placed in the incident polarized laser beam. The intensity ratio of those two beams may be continuously varied without alteration of other beam parameters by rotating the waveplate. The intensity of both exit beams, and their intensity ratio, can be controlled over a wide dynamic range. Pure p-polarization could be selected for maximum transmission, or pure s-polarization for maximum attenuation of the transmitted beam.

Specifications
Beam deviation 40X10-6 rad, average over range
Damage Threshold 200 mJ/cm2 pulsed at 1064 nm, typical
Antireflection Coating R <0.25% all entrance and exit surfaces
Time dispersion t >100fs for laser pulses
Extinction ratio Ts/Tp<1:1000


 

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