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National Stock Number:
6650-01-348-2404
Federal Supply Class:
6650
National Item Identification Number:
013482404
Description:
FILTER,LIGHT,OPTICAL INSTRUMENT
Detail:
AN ITEM HAVING TWO PLANE-PARALLEL SURFACES AND CONSISTING OF A POLARIZING MATERIAL BONDED BETWEEN GLASS OR PLASTIC. THIS ITEM TRANSMITS LIGHT IN ONLY ONE PLANE AND IS USUALLY USED IN PAIRS TO VARY THE LIGHT TRANSMITTED INTO OR THROUGH AN OPTICAL INSTRUMENT. EXCLUDES WINDOW, OPTICAL INSTRUMENT.
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Manufacturer Information:
| 05-2252-RH | 60667 | PTR OPTICS CORP |
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Techincal Specification:
| DENSITY VARIABILITY | NOT VARIABLE | | DIAMETER | 25.0 MILLIMETERS NOMINAL | | SPECIAL FEATURES | POLARIZES RADIATION FROM UNPOLARIZED LASER AND ATTENAUTES RADIATION; MOUNTED IN ROTARY HOLDER; WIRE SPACING 1200 G/MM; CLEAR APERTURE; SURFACE QUALITY 40/20 SCRATCH/DIG; GROOVE PARALLELISM TO EDGE PORM 0.5 DEG; DAMAGE THRESHOLD CW LASER 100 W/CM SQUARED; PULSEDLASER DAMAGE AT 100 NSEC PULSE 2J/CM SQUARED; TRANSMITTANCE AT PEAK: PORM 85PCT; WIRE GRID; EXTINCTION RATIO: 10.6U - 200:1; 4.0 U - 150:1; 3.0 U - 50:1 | | SURFACE MATERIAL | ZINC SELENIDE | | SURFACE PARALLELISM | 3.0 MINUTES |
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