windows optical, bk7, float, sapphire
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This is our current range of Stocked Optical Windows. Please contact us for prices.

If you would like custom windows made up, in whatever quanities please contact us.

Express Optics Stock Number Item Description Number Available
EX400 Float Window 27.0mm diameter + 0-0.2mm T= 2.0mm + /-0.1mm Edge Finish fine ground 7
EX401 B270 Window 28mm diameter+ 0-0.1mm T=1.0mm +/-0.1mm Edge finish fine ground 33
EX402 B270 Window 38mm diameter+ 0-0.1mmx1.0+/-0.1. Edge finish fine ground 16
EX403 Float Glass Window 55.6mm diameter + 0-0.1mm T= 3.0mm + /-0.1mm Edge Finish fine ground 15
EX404 B270 Window Width=16.0mm +0-0.1mm Height=14.0mm +0-0.1mm Thickness=0.5mm +/-0.1mm Edge fine ground 21
EX405 B270 Window Width=27.0mm +0-0.1mm Height=23.0mm +0-0.1mm Thickness=1.0mm +/-0.1mm Edge fine ground 80
EX406 B270 Window Width=32.0mm +0-0.1mm Height=32.0mm +0-0.1mm Thickness=0.5mm +/-0.1mm Edge fine ground 90
EX407 B270 Window Width=40.0mm +0-0.1mm Height=15.0mm +0-0.1mm Thickness=1.0mm +/-0.1mm Edge fine ground 22
EX408 B270 Window Width=56.0mm +0-.1mm Height=51.0mm +0-0.1mm Thickness=1.0mm +/-0.1mm 0
EX409 B270 Window Width=75.0mm +0-0.1mm Height=42.70mm +0-0.1mm Thickness 1.3mm +/-0.1mm Edge fine ground 21
EX410 Material:spec/crown/BK7. 6.0mm diameter +0-0.1mm T=2.50mm +/-0.1mm. Optically polished both sides. Edge finish fine ground. Parallel 2mins of Arc. Flatness λ4. S/D 60/40 19
EX411 Material:spec/crown/BK7. 12.0mm diameter +0-0.1mm T=2.0mm +/-0.1mm. Optically polished both sides. Edge finish fine ground.S/D 60/40 5
EX412 Material: BK7 13.0mm diameter +0-0.1mm T=2.9mm +/-0.1mm. Optically polished both sides. Edge finish fine ground. S/D 80/50 14
EX413 Material: BK7 15.0mm diameter +0-0.1mm T=2.90mm +/-0.1mm. Optically polished both sides. Edge finish fine ground. S/D 80/50 2
EX414 Material: BK7 18.9mm diameter +0-0.2mm T=2.9mm +/-0.2mm. Optically polished both sides. Edge finish fine ground. S/D 80/50 30
EX415 Material: BK7 20.0mm diameter +0-0.1mm T=2.0mm +/-0.1mm. Optically polished both sides. Edge finish fine ground. S/D 80/50 5
EX416 Material: BK7 25.0mm diameter +0-0.1mm T=3.0mm +/-0.1mm. Optically polished both sides. Edge finish fine ground. S/D 80/50 7
EX417 Material: BK7 50.0mm diameter +0-0.1mm T=2.0mm +/-0.1mm. Optically polished both sides. Edge finish fine ground. S/D 80/50 6
EX418 Material: Fused Silica. 10.0mm diameter +0-0.1mm. T=2.0mm +/-0.1mm.Optically polished both sides. Edge finish fine ground. S/D 80/50 32
EX419 Material: Fused Silica. 20.0mm diameter +0-0.1mm. T=1.0mm +/-0.1mm.Optically polished both sides. Edge finish fine ground. S/D 80/50 11
EX420 Material: Fused Silica. 20.0mm diameter +0-0.1mm. T=2.0mm +/-0.1mm.Optically polished both sides. Edge finish fine ground. S/D 80/50 30
EX421 Material: Fused Silica. Width= 12.0mm +0-0.1mm. Height= 11.0mm +0-0.1mm. Thickness= 1.0mm +/-0.1mm. Optically polished both sides. Edge fine ground. S/D 80/50 20
EX422 Material: Fused Silica. Width= 18.0mm +0-0.1mm. Height= 11.0mm +0-0.1mm. Thickness= 1.0mm +/-0.1mm. Optically polished both sides. Edge fine ground. S/D 80/50 6
EX423 Material: Borosilicate. 50.0mm diameter +0-0.1mm. T=2.0mm +/-0.1mm. Optically polished both sides. Edge finish fine ground. S/D 80/50 9
EX424 Material: Sapphire. Orientation: Random. 8.0mm diameter +0-0.1mm T=0.7mm +/-0.1mm. Optically polished both sides. Edge fine ground. Chamfer min @ 45˚ S/D 80/50 5
EX425 Material: Sapphire. Orientation: Random. 16.7mm diameter +0-0.1mm T=3.0mm +/-0.1mm. Optically polished both sides. Edge fine ground. Chamfer min @ 45˚ S/D 80/50 5
EX426 Material: Sapphire. 25.0mm diameter +0-0.1mm T=2.0mm +/-01.mm. Optically polished both sides.Edge fine ground. S/D 80/50 26
EX427 Material: Sapphire. Orientation: Random. 32.6mm diameter +0/-0.15mm T=2.0mm +/-0.1mm. Optically polished both sides. Edge fine ground. Chamfer min @ 45˚ S/D 80/50 15
EX428 Material: B270 Length and Height=50.0mmx50.0mm +/-0.25mm T=1.5mm +/-0.1mm. Edge fine ground 4
EX429 Material: B270 Length and Height=58.0mmx58.0mm +/-0.25mm T=1.0mm +/-0.1mm. Edge fine ground 18
EX430 Material: BK7/ B270. 17.0mm diameter +/-0.1mm T=1.0mm +/-0.1mm Coating: MLAR both sides 420-850nm. R>1% 36
EX431 Material: Sapphire A/R A/R Vis 8.5mm diameter x 1mm thick 6
EX432 Material: Sapphire 80/50. 32.0mm diameter x 8mm thick 1
EX433 Soda Glass Window 62.0mm diameter x 1.2mm thick 2
EX434 BK7 Window 25.4mm diameter x 5.35mm thick 15
EX435 Window Flat Glass 29.0mm diameter x 2.2mm thick 4
EX436 Window B270. 30.0mm diameter x 10.0mm x 0.9mm thick 4
EX437 Window B270 31.0mm diameter x 12.0mm x 1.0 thick 1
EX438 Window B270 16.9mm diameter x 10 x 0.9 thick 5
EX439 Window B270 36.9mm diameter x 17.9 x 0.9 4
EX440 Window B270 30.0mm diameter x 15.0 x 0.9 3
EX441 Window B270 17.0mm diameter x 15.0mm x 0.9mm thick 4
EX442 Window B270 18.0mm diameter x 1mm thick  45
EX443 Sapphire Window 17.8mm diameter x 3.0mm thick 49
EX444 Sapphire Window 17mm diameter x 11 x 1mm thick 10
EX445 Borosilicate Window 38mm diameter x 3mm thick 151
EX446 Window BK7 70 x 70 x 1.2mm thick  1
EX447 Sapphire Window 2.50mm diameter x 1.5mm Thick 1
EX448 Window 5.0mm diameter x 5mm thick A/R A/R 488-647nm 377
EX449 Window 5.0mm diameter x 5mm thick A/R A/R 351-364nm 40
EX450 Fused Silica Window 2.0mm diameter x 1.2mm thick A/R   614
Please contact us on 01702 540187 or email info@litetec.co.uk for prices.