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National Stock Number:
6650-01-458-8545
Federal Supply Class:
6650
National Item Identification Number:
014588545
Description:
FILTER,INFRARED LIGHT
Detail:
AN ITEM FABRICATED OF A SPECIAL GLASS OR OTHER SUITABLE MATERIAL FOR THE PURPOSE OF TRANSMITTING ELECTROMAGNETIC RADIATION HAVING WAVELENGTHS GREATER THAN THOSE OF MICROWAVES AND BLOCKING ALL OTHER WAVELENGTHS OF LIGHT. IT IS DESIGNED TO FIT INTO THE APERTURE OF A SUITABLE LIGHT SOURCE OR DETECTOR. EXCLUDES FILTER, ULTRAVIOLET LIGHT.
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Manufacturer Information:
| 03FPI005 | 54081 | MELLES GRIOT INC |
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Techincal Specification:
| OVERALL DIAMETER | 40.0 MILLIMETERS NOMINAL | | MATERIAL | GLASS | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NEAR-INFRARED POLARIZER | | SPECIAL FEATURES | METALLIC THIN FILM DEVICES WHICH PROVIDE A HIGH DEGREE OF POLARIZATION IN THE NEAR-INFRARED; CONSISTS OF A VACUUM DEPOSITED THIN FILM MADE UP OF MICROSCOPIC PROLATE METAL SHPEROIDS ALL ALIGNED IN THE SAME DIRECTION ON THE GLASS SURFACE; USEFUL FIELD ANGLE +/- 20 DEG ABOUT NORMAL; SURFACE QUALITY 80-50 SCRATCH AND DIG; MOUNTED BETWEEN TWO GLASS DISCS, HERMETICALLY MOUNTED IN A BLACK ANODIZED ALUMINUM RING; POLARIZATION PLANE OF MAXIMUM TRANSMISSIONINDICATED BY ENGRAVING ON THE EDGES; WAVELENGTH RANGE IS 780NM-1250NM; OUTSIDE DIAMETER IS 40.0MM; CLEAR APERTURE 35.0MM | | SUPPLEMENTARY FEATURES | T.O. IS33D7-80-21-4, FIG 53/4-79 | | VIEWING SURFACE OVERALL DIAMETER | 35.0 MILLIMETERS NOMINAL | | VIEWING SURFACE OVERALL THICKNESS | 4.0 MILLIMETERS MINIMUM AND 4.3 MILLIMETERS MAXIMUM |
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