T-BSW26R - 25 mm x 36 mm 50:50 UVFS Plate Beamsplitter, Coating: 350 - – Fosco Connect

T-BSW26R - 25 mm x 36 mm 50:50 UVFS Plate Beamsplitter, Coating: 350 - 1100 nm, t = 1 mm

T-BSW26R - 25 mm x 36 mm 50:50 UVFS Plate Beamsplitter, Coating: 350 - 1100 nm, t = 1 mm

T-BSW26R - 25 mm x 36 mm 50:50 UVFS Plate Beamsplitter, Coating: 350 - 1100 nm, t = 1 mm

T-BSW26R - 25 mm x 36 mm 50:50 UVFS Plate Beamsplitter, Coating: 350 - 1100 nm, t = 1 mm

Fosco Connect Part No.: T-BSW26R

$ 558.00 or

T-BSW26R - 25 mm x 36 mm 50:50 UVFS Plate Beamsplitter, Coating: 350 - 1100 nm, t = 1 mm

Damage Threshold Specifications
Item #	Damage Threshold
T-BSW2x	CW	250 W/cm (532 nm, Ø684 µm)
T-BSW2x	Pulsed	10 J/cm² (810 nm, 10 ns, 10 Hz, Ø130 µm)

Specification	Value
Split Ratio (R:T)	50:50
Overall Performance^a	T_abs = 50 ± 12%, R_abs = 50 ± 12%, T_abs + R_abs > 99%, \|T_s-T_p\| < 40% and \|R_s-R_p\| < 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 Error^b	<λ/2 @ 633 nm
Coating on Surface 1^c	350 - 1100 nm Beamsplitter Coating for 45° Incidence
Coating on Surface 2^c	Broadband AR Coating for 350 - 1100 nm (R_avg < 2.0% 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	20-10 Scratch-Dig

a. Specified from 350 - 1100 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-BSW25	Ø1/2"	3.0 mm	30 arcmin	50:50	T_abs = 50 ± 12%, R_abs = 50 ± 12%, T_abs + R_abs > 99%, \|T_s-T_p\| < 40% and \|R_s-R_p\| < 40%, 45° AOI
T-BSW26	Ø1"	5.0 mm	30 arcmin	50:50
T-BSW26R	25 mm x 36 mm	1.0 mm	No Wedge	50:50