| GENERAL CHARACTERISTICS ITEM DESCRIPTION | EXTINCTION RATIO 100:1 OR BETTER AT 1.06 MICRONS,MATERIAL LITHIUM NIOBATE,REFRACTIVE INDEX 2.24 AT 1.064U,AR COAT AT 1.064U-0.25 PCT. REFLECTION PER SURFACE ACCEPTABLE,COATING MUST BE CAPABLE OF WITHSTANDING HIGH PEAK LASER POWERS OF 500 MW/CM-2 MIN. OBTAINABLE STRAIN AND INDEX VARIATIONS; PART OF POCKEL CELL ASSY,USED ON LASER NT90L |