Er:YAG Laser-2940nm-Output Mirror

Er:YAG Laser-2940nm-Output Mirror
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Our output coupling mirror is a semi-transparent medium mirror for the laser resonator, which can partially reflect laser to the resonator for gain amplification and partially transmit and output stabilized laser. The constant reflectivity/transmittance ratio (R/T) of the laser output coupling mirror is the main property of the partial mirror in the resonator. The pump power threshold, maximum output power, and output efficiency of the laser are highly dependent on the R/T value of the output coupling mirror.

Our output coupling mirrors have a reflectivity of 70%~99.5%. They are made of sapphire/Neodymium-doped yttrium aluminum garnet (YAG) to transmit high-power laser beams without absorbing light energy and thermal deformation. The reflectivity of the front surface is stable, and the laser can be coupled well.

Processing Index

Parallelism
10〞
Perpendicularity
5ˊ
Surface Finish
20-10
Flatnessλ / 8 @ 632 nm
Clear Aperture
> 85% central area
Chamfer0.2mm-0.5mm @ 45°
Dimensional Accuracy± 0.05mm
Thickness/Diameter Tolerance
(0,-0.1)mm
Damage Threshold
>10 J/cm2@ 1064nm 10ns 10 Hz

Product List-Sapphire HEM random（Material Optional）

Please click the blue word below for the coating spectrum
ModelSizeForm
Coating
CL-OC20005
∅ = 12.7 mm (-0.1 mm)
t = 3 mm (±0.1 mm)		Front Side (S2)
plane
Rear Side (S1)
plane
Front Side (S2)
PR(0°,2940nm)=83(±1%)
Rear Side (S1)
AR(0°,2940nm)<0.25%
CL-OC20006
∅ = 12.7 mm (-0.1 mm)
t = 3 mm (±0.1 mm)		Front Side (S2)
plane
Rear Side (S1)
plane
Front Side (S2)
PR(0°,2940nm)=90(±1%)
Rear Side (S1)
AR(0°,2940nm)<0.25%

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