Continuously Variable Attenuator / Beamsplitter
Standa
Continuously Variable Attenuator / Beamsplitter
Continuously Variable Attenuator / Beamsplitter
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STANDA P.BOX 2684 , 03001 Vilnius 9 P.O., Lithuania
Phone +370 5 2651474, Fax +370 5 2651483
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10APF3-1CVAB - Continuously Variable Attenuator / Beamsplitter
Continuously Variable Attenuator / Beamsplitter
Printable version
View drawings
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 deviation40X10-6 rad, average over range
Damage Threshold200 mJ/cm2 pulsed at 1064 nm, typical
Antireflection CoatingR <0.25% all entrance and exit surfaces
Time dispersiont >100fs for laser pulses
Extinction ratioTs/Tp<1:1000
Ordering Information
Model Central wavelength, nm Clear aperture, mm  
10APF3-1CVAB-1064-10 1064 10
10APF3-1CVAB-1064-15 1064 15
10APF3-1CVAB-1064-20 1064 20
10APF3-1CVAB-780-10 780 10
10APF3-1CVAB-780-15 780 15
10APF3-1CVAB-780-20 780 20
10APF3-1CVAB-800-10 800 10
10APF3-1CVAB-800-15 800 15
10APF3-1CVAB-800-20 800 20
 
 
 
 
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