LCM-19.05-Z-748.5-ET2.0-DBAR

CONFIGURATION: DISC, PLANO-CONCAVE
DIAMETER: 19.05mm + 0.00mm /- 0.10mm
EDGE THICKNESS: 2.00mm +/- 0.20mm
WEDGE ERROR: 0.05mm MAXIMUM T.I.R.
FOCAL LENGTH: -748.50mm +/- 0.5%
FLATNESS (PLANO FACE): 1/40 WAVE MAXIMUM AT 10.6u.
SURFACE ACCURACY (CONCAVE FACE): 1/40 WAVE MAXIMUM
@ 10.6u.
SURFACE QUALITY: 40-20 SCRATCH-DIG, 2 FACES.
MATERIAL TYPE/QUALITY: CVD ZnSe, LASER GRADE.
COATING: DUAL-BAND ANTIREFLECTIVE COATING FOR
0.20% MAXIMUM REFLECTANCE PER SURFACE AT
10.60 MICRONS AND ALSO 85.0 MINIMUM
TRANSMISSION AT 0.663 MICRONS WITH A
NORMAL INCIDENCE ANGLE, APPLIED TO BOTH
FACES.