Dichroic Beamsplitters – Beam Combiners – Harmonic Separators (SPD / LPD / BC / HHS)

• Separate or combine beams with different wavelengths

Separate or combine beams with different wavelengths. These dichroic coatings allow one wavelength region to be transmitted while they reflect another region. They may be used as illustrated to separate or combine different wavelengths. This can be useful when working with alignment lasers or frequency doublers.

Part No.	Wavelengths Covered (nm)
R Λ1 – pol / T Λ2 – pol	266, 355, 441.6, 488, 514.5, 527, 532, 632.8, 670, 680, 694.3, 780, 800, 830, 1064, 1319, 1550, 2940

Other wavelength combinations are available upon request. Please specify the angle of incidence and polarization of the reflected / transmitted light.

• Dichoric Beamsplitters

These long-pass and short-pass coatings may be applied to any optical component to separate or combine different wavelength regions. They are available for normal and 45° angle of incidence. These coatings are highly effective for the wavelength of interest, reflecting over 99%. While they transmit over 85% of other nearby wavelengths, they are not blocked over a broad spectral range.

Specifications (LPD / SPD)
Average Transmission:	LPD: Taverage > 90% SPD: Taverage > 85%
Reflectance:	R > 99%
AR Coating:	R < 0.25%
Damage Threshold:	> 5 J / cm², 10 ns
Clear Aperture:	> 85% of central diameter

• Beam Combiners & Harmonic Separators

These dichroic coatings allow one wavelength region to be ransmitted while they reflect another region. They may be used as illustrated to separate or combine different wavelengths. This can be useful when working with alignment lasers or frequency doublers.

Specifications (BC / HHS)
Reflectance:	Rave > 99.5%
Transmittance:	Tave > 95%
AR Coating:	R < 0.25%
Damage Threshold:	> 5 J / cm², 10 ns pulses
Durability:	Meet adhesion and abrasion per MIL-C-675

Other wavelengths are also available upon request.  Please specify.