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Laser Output Coupler

Wavelength range

190 – 3000 nm

Dimensions

5 – 200 mm

Shape

Round, rectangular

Surface quality, S-D

20-10

Surface flatness, P-V

<λ/8 @ 632.8 nm*

Angle of Incidence

0-8°

LIDT

>10 J/cm² @ 1064 nm, 10 ns, 10 Hz

*depending on size

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A laser output coupler is a semi-transparent dielectric mirror used in a laser cavity. It has the function of transmitting part of the circulating intracavity optical power.

A spatially constant reflection/transmission (R/T) value is the main property of a partially reflecting mirror in a stable resonator in Nd:YAG, Nd:YLF, Ti:Sapphire and other lasers. Some laser cavity parameters, such as pump power, maximum output power, and laser efficiency, depend highly on the R/T value of the output coupler.

We have a wide variety of shapes of output couplers, and these can be customized according to your needs: concave semi-transparent mirrors can help to maintain TEM00 spatial mode within a resonator, while wedged ones deflect Fresnel reflections and prevent secondary pulse creation and amplification.

 

Contact us to tell us about the challenges you are facing. We have a team of experienced coating engineers and extensive metrology capabilities for designing and measuring products to meet your requirements. We focus on having a well-defined production process, high-quality parts and test reports, so you can get more than expected.

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