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Design Research Optics
East Greenwich, Rhode Island 02818-1534 USA
401-885-7353 • Fax: 401-884-5156
Email: sales@DesignResearchOptics.com
ZnSe Beamsplitters
Series BS: Beamsplitters
Beamsplitters allow partial reflectance at a 45° angle of incidence with a 10.6µm wavelength. Only a certain percentage of incident energy is reflected while the remaining incident energy is transmitted.
| Model Number |
Diameter |
Thickness |
Reflectance |
Polarization |
| BSZ-1012-50-P | 1.000" | 0.120" | 50% ±3% | P |
| BSZ-1012-50-S | 1.000" | 0.120" | 50% ±3% | S |
| BSZ-1012-50-U | 1.000" | 0.120" | 50% ±3% | U |
| BSZ-1516-50-P | 1.500" | 0.160" | 50% ±3% | U |
| BSZ-1516-50-S | 1.500" | 0.160" | 50% ±3% | S |
| BSZ-1516-50-U | 1.500" | 0.160" | 50% ±3% | U |
| BSZ-2020-50-P | 2.000" | 0.200" | 50% ±3% | P |
| BSZ-2020-50-S | 2.000" | 0.200" | 50% ±3% | S |
| BSZ-2020-50-U | 2.000" | 0.200" | 50% ±3% | U |
*Note: For "U" polarization: This is an unpolarized beamsplitter. It is not a polarization-insensitive beamsplitter.
Specifications:
Material: Zinc Selenide (ZnSe) Laser Grade
Diameter Tolerances: +.000”, -.005” for parts up to 2.000”Ø
Thickness: ±.010”
Parallelism: < 3 minutes of ARC
Surface Quality: < 40/20 scratch – dig Laser Finish
Spectral Performance:
SIDE 1: Reflectance and tolerance listed as per above
SIDE 2:
Standard high efficiency low loss anti-reflectance
AR-coating for 10.6µm
Total finish part Absorption < .15%
Angle Of Incidence: 45°
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Site content current to February 2012
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