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T-BSW20R - 25 x 36 mm 50:50 UVFS Plate Beamsplitter, Coating: 250 - 450 nm, t = 1 mm
T-BSW20R - 25 x 36 mm 50:50 UVFS Plate Beamsplitter, Coating: 250 - 450 nm, t = 1 mm
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T-BSW20R - 25 x 36 mm 50:50 UVFS Plate Beamsplitter, Coating: 250 - 450 nm, t = 1 mmT-BSW20R - 25 x 36 mm 50:50 UVFS Plate Beamsplitter, Coating: 250 - 450 nm, t = 1 mm

T-BSW20R - 25 x 36 mm 50:50 UVFS Plate Beamsplitter, Coating: 250 - 450 nm, t = 1 mm

Fosco ConnectSKU: T-BSW20R
Price:
$ 225.00
Silicon Valley Based
Expert Support Since 2001
Fast CA or NY Shipping

T-BSW20R - 25 x 36 mm 50:50 UVFS Plate Beamsplitter, Coating: 250 - 450 nm, t = 1 mm

Damage Threshold Specifications
Item Damage Threshold
50:50 UVFS Beamsplitters 4 J/cm2 (355 nm, 10 ns, 10 Hz, Ø0.165 mm)

 

Specification Value
Split Ratio (R:T) 50:50
Overall Performancea Tabs = 50 ± 12%, Rabs = 50 ± 12%, Tabs + Rabs > 99%,
|Ts-Tp| < 40% and |Rs-Rp| < 40%, 45° AOI
Size 25 mm x 36 mm
Diameter Tolerance ±0.1 mm
Thickness 1.0 mm
Thickness Tolerance ±0.1 mm
Transmitted Wavefront Errorb λ/4 @ 633 nm
Coating on Surface 1c 250 - 450 nm Beamsplitter Coating for 45° Incidence
Coating on Surface 2c Broadband AR Coating for 250 - 450 nm
(Ravg < 1.0% within Wavelength Range)
Wedge Angle None
Wedge Angle Tolerance None
Substrate UV Fused Silica
Clear Aperture >22.5 mm x 32.4 mm
Surface Quality 40-20 Scratch-Dig
  • a. Specified from 250 - 450 nm
  • b. Specified over the clear aperture.
  • c. To distinguish Surface 1 from Surface 2, an engraved arrow on the side of the beamsplitter points to Surface 2. For more details, please see the Drawing tab.
Item # Size Thickness Wedge Angle Split Ratio (R:T) Overall Performance
T-BSW19 Ø1/2" 3.0 mm 30 arcmin 50:50 Tabs = 50 ± 12%, Rabs = 50 ± 12%,
Tabs + Rabs > 99%,
|Ts-Tp| < 40% and |Rs-Rp| < 40%,
45° AOI
T-BSW20 Ø1" 5.0 mm 30 arcmin 50:50
T-BSW20R 25 mm x 36 mm 1.0 mm No Wedge 50:50

 

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