Senior sales engineer
Arminas Butkus +370 5 219 4884
Right-angle prisms
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Right-angle prisms «In Stock»

4Lasers standard uncoated right-angle (45°-90°-45°) design prisms are fabricated from UVFS and BK7 optical glasses and have three optically polished rectangular surfaces (refer to the drawing). These prisms are popular at 90° internal or external beam bending, 180° beam folding, image rotation. These applications are based on the total internal reflection at the glass-air boundary inside the prism, except 90° external beam bending, which requires a metallic or highly reflective dielectric thin film to be applied onto the hypotenuse face. Antireflective coatings have to be applied in order to optimize the optical transmission for a particular application. Contact us for coating service, custom solutions, and pricing.

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SPECIFICATION SKU PRICE Qty. of stock QUANTITY
BK7; 28,3 x 28,3 mm; 130 mm; +/-30arcsec; >90 %; +0/-0,2 mm; <0,5 mm at 45°; 40-20 S-D; ≤λ/4@632,8 nm; Uncoated; AR(R<0,3%)@700-900 nm, AOI=0deg
10477
Request
2
BK7; 8,5x8,5 mm; 8,5 mm; ≥80%; ±0,3 mm 40/40SD; Uncoated
12269
Request
>5
BK7; 20x20 mm; 20 mm; ±2 arcmin; >90 %; +0/-0,2 mm; <0,5 mm at 45°; 40-20 S-D; ≤λ/4@632,8 nm; both surfaces Silver+SiO2 coated; Uncoated
12566
Request
1
BK7; 20x20 mm; 50 mm; +/-30arcsec; >90 %; + 0/-0,15; <0,5 mm at 45°; 40-40 S-D; ≤λ/4@632,8 nm; AR(R<0,3%)@750-850 nm, AOI=0deg
15054
Request
1
UVFS; 19,5x19,5 mm; 20 mm; ≥80%; ±0,5 mm; 20/50 S/D; Uncoated; Uncoated
18490
Request
2
Shott N-BK7-HT; 20x20 mm; 20 mm; ±1 arcmin; ±30 arcsec; ≥80%; ±0,25 mm; <0,35 mm at 45°; 40-20 S-D; ≤λ/4@632,8 nm; Uncoated; Uncoated
21633
Request
2
BK7; 20x20 mm; 50 mm; ±1 arcmin; >90 %; +0/-0,2 mm; <0,5 mm at 45°; 40-20 S-D; ≤λ/4@632,8 nm; Uncoated; AR(R<0,3%)@750-850 nm, AOI=0deg
22216
Request
2
BK7; 48x48 mm; 50 mm; +/-30arcsec; ≥80%; ±0,25 mm; <0,35 mm at 45°; 40-20 S-D; ≤λ/2@632,8 nm; one side AR@400-700nmm, AOI=0deg; Uncoated; Regular; 10 mm
28120
Request
>5
BK7; 70x70 mm; 50 mm; +/-30arcsec; ≥80%; ±0,25 mm; <0,35 mm at 45°; 40-20 S-D; ≤λ/2@632,8 nm; Uncoated; half is coated with AR@400-700nm,AOI=0deg
28121
Request
>5
UVFS; 13,8x13,8 mm; 6 mm; AR@1030nm
3572
30 €
>5