1200 l/mm @ 840nm

Dispersion

Efficiency

項目 数値
SIZE(S) 25.4 mm diax3,
50.8 mm diax6,
35 mm x 45 mmx6
PART # WP-1200/840-25.4,
WP-1200/840-50.8,
WP-1200/840-35×45
SURFACE QUALITY 60-40 scratch-dig
DIFFRACTED WAVEFRONT < λ/5 rms @ 632.8 nm
SPATIAL FREQUENCY 1200 l/mm +/- 0.5 l/mm
CWL 840 nm
ANGLE OF INCIDENCE (AOI) 30.3° @ 840 nm
THICKNESS TOLERANCE +/- 0.25
CHAMFERS 0.25-0.75 mm face width
CHAMFERS ANGLE/TOLERANCE 45° +/-15°
AR COATING < 0.5% Reflection; 740nm-940nm
SUBSTRATE AND COVER GLASS 1.5 mm BK7 3 mm total thickness,
3 mm BK7 6 mm total thickness,
3 mm BK7 6 mm total thickness
CLEAR APERATURE 20 mm,
45 mm,
30 mm x 40 mm
DIMENSIONS A =25.4 mm B = 3 mm,
A = 50.8 mm B = 6 mm,
A =35 mm B = 45 mm T = 6 mm