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Arminas Butkus +370 5 219 4884
Flat-parallel windows
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Flat-parallel windows «In Stock»

Standard uncoated flat-parallel windows are fabricated from BK7 or UV grade fused silica optical glass. UV grade fused silica glass windows are a good option for UV, ultrashort pulse, and high-power laser applications due to their low sensitivity to temperature variations, relatively high damage threshold, and UV transmission down to 185 nm. BK7 glass windows are a cost-effective choice for visible and near-infrared range, low/mid-power laser, and non-laser applications. These components are initially uncoated and demand metallic or dielectric coatings for a particular application. 4Lasers provide coating service upon request. Contact us for custom solutions and pricing.

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Items can be filtered by multiple words e.g., "uvfs 1064"

SPECIFICATION SKU PRICE Qty. of stock QUANTITY
BK7; ⌀76,2 mm; 12,7 mm; +0/-0,15 mm; ±0,25 mm; >85 %; 20-10 S-D; <λ/2; <30 arcsec; <0,5 mm at 45°; uncoated
10313
100 €
>5
BK7; ⌀38 mm; 6,35 mm; +0/-0,15 mm; ±0,25 mm; >85 %; 20-10 S-D; <λ/5; <30 arcsec; <0,35 mm at 45°; uncoated
10372
24 €
1
UVFS(Corning); ⌀76,2 mm; 3mm; +0/-0,2 mm; ±0,1 mm; 20/10 S/D; L/20; <10 arcsec; <0,25 mm x 45 deg; AR/AR(R<0,4%@425-675nm, AOI=0deg
10462
Request
2
UVFS; ⌀25,4 mm; 2 mm; +0/-0,15 mm; ±0,25 mm; >85%; 10-5 S-D; λ/2; <λ/[email protected],8 nm; <30 arcsec; <0,35 mm at 45°; uncoated
10465
16 €
>5
UVFS; ⌀38,1 mm; 6,35 mm; +0/-0,15 mm; ±0,25 mm; >85 %; 20-10 S-D; <λ/3; <30 arcsec; <0,35 mm at 45°; uncoated
10560
30 €
>5
UVFS; ⌀12,7 mm; 3 mm; 20/10 S/D ; <30 arcsec; <0,25 mm x 45 deg
10606
14 €
1
BK7; ⌀50,8 mm; 9,53 mm; +0/-1 mm; ±0,25 mm; >85 %; 20-10 S-D; <λ/5; <30 arcsec; <0,35 mm at 45°; uncoated
10638
34 €
1
BK7; ⌀50,8 mm; 9,53 mm; +0/-1 mm; ±0,25 mm; >85 %; 20-10 S-D; <λ/5; <30 arcsec; <0,35 mm at 45°; uncoated
10639
34 €
1
BK7; ⌀50,8 mm; 9,53 mm; +0/-1 mm; ±0,25 mm; >85 %; 20-10 S-D; <λ/5; <30 arcsec; <0,35 mm at 45°; uncoated
10640
34 €
1
UVFS(Corning 7980); 20x30 mm; 5 mm; +0/-0,1 mm; +0/-0,2 mm; 20/10 S/D; <λ/8; L/8; <20 arcsec; <0,25 mm x 45 deg
10739
14 €
2
BK7; ⌀40 mm; 6 mm; ±0,2 mm; 60-40 S-D; <5 arcmin
10985
10 €
1
UVFS; 152x152 mm; 3 mm; uncoated
10994
80 €
>5
BK7; ⌀50,8 mm; 9,525 mm; ±0,5 mm; ±0,25 mm; 70 %; 40-20 S-D; <λ/5; <30 arcsec; <0,35 mm at 45°; uncoated
11109
34 €
3
BK7; ⌀50,8 mm; 9,525 mm; ±0,5 mm; ±0,25 mm; 70 %; 80-40 S-D; <λ/5; <30 arcsec; <0,35 mm at 45°; uncoated
11110
34 €
1
BK7; 30x30 mm; 6 mm; +/-0,1 mm; +/-0,1 mm; >90 %; 60/40 S/D; < λ/10
11129
10 €
1
BK7; 30x30 mm; 6 mm; +/-0,1 mm; +/-0,1 mm; >90 %; 40/20 S/D; < λ/10
11134
10 €
1
BK7; 25x20 mm; 7 mm; +/-0,1 mm; +/-0,1 mm; > 85 %; 20/20 S/D; < λ/10
11137
10 €
1
UVFS; ⌀12,7 mm; 3 mm; +0/-0,1 mm; ±0,2 mm; 20-10 S-D
11289
10 €
2
11321
Request
4
UVFS; ⌀15 mm; 1,5 mm; +/-0,1 mm; ±0,1 mm; >90% of diameter; 40/40SD; < λ/7; <λ/[email protected],8 nm; <10 arcsec
11557
10 €
1