250 l/mm @ 1250 nm

Dispersion

スクリーンショット 2017-02-17 14.10.15

Efficiency

スクリーンショット 2017-02-17 14.10.01

項目 数値
SIZE(S) 30 mm diax3
PART # WP-250/1250-30
SURFACE QUALITY 60-40 scratch-dig
DIFFRACTED WAVEFRONT < λ/5 rms @ 632.8 nm
SPATIAL FREQUENCY 250 l/mm +/- 0.5 l/mm
CWL 1250 nm
ANGLE OF INCIDENCE (AOI) 9° @ 1250 nm
THICKNESS TOLERANCE +/- 0.25
CHAMFERS 0.25-0.75 mm face width
CHAMFERS ANGLE/TOLERANCE 45° +/-15°
AR COATING < 0.5% Reflection; 900nm-1800nm
SUBSTRATE AND COVER GLASS 1.5 mm BK7 3 mm total thickness
CLEAR APERATURE 24 mm
DIMENSIONS A =30 mm B = 3 mm