Output Couplers

Partial Reflector

The output coupler usually has reflectance in the range 40% to 70%. In order to optimize power and spatial profile of the laser beam, the output coupler and end mirror have optical surfaces with well-defined radii of curvature. The output coupler is typically composed of ZnSe in order to minimize absorption and thermal distortion while transmitting a high-power laser beam. The end mirror usually has reflectance 99.5% which means that the transmitted laser beam has low power. However, because absorption in the coating is higher than in the output coupler, substrate materials, such as Germanium or Gallium Arsenide, with high thermal conductivity are used in most lasers.

*Ophir Optics meets ROSH directive according to China ROHS regulation and ROHS2 directive 2011/65/EU

CO2 Optics Catalog

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Optic TypeOphir P/NDiameterEdge ThicknessReflection S1AbsorptionSurface Radius
InchmmInchmmS1CC mmS2CX mm
 Output Coupler 620561.75"44.450.25"6.3535%<0.10%20MCC10MCX
 Output Coupler 631048-1171"25.40.236"640%<0.1%Plano7MCC
 Output Coupler 631109-1171.1"27.940.236"640%<0.12%10MCC5MCX
 Output Coupler 618831.5"38.10.314"840%<0.13%40MCC20MCX
 Output Coupler 618871.5"38.10.314"840%<0.13%50MCC25MCX
 Output Coupler 616631.5"38.10.236"640%<0.09%15MCC10MCX
 Output Coupler 631107-1171.5"38.10.314"840%<0.12%20MCC10MCX
 Output Coupler 615421.5"38.10.314"840%<0.13%15MCC7.5MCX
 Output Coupler 631049-1171"25.40.236"650%<0.1%PlanoPlano
 Output Coupler 631416-117 LA1"25.40.236"650%0.10%30MCC30MCX
 Output Coupler 631165-1171.1"27.940.236"650%<0.05%15MCC7.5MCX
 Output Coupler 630031.1"27.940.236"650%<0.06%20.065MCC12MCX
 Output Coupler 614101.1"27.940.22"5.650%<0.05%20MCC15MCX
 Output Coupler 616431.18"29.970.236"650%<0.10%10MCC10MCX
 Output Coupler 630924-1171.181"29.990.236"650%<0.05%30MCC30MCX
 Output Coupler 618881.5"38.10.314"850%<0.13%51.6MCC25MCX
 Output Coupler 618841.5"38.10.314"850%<0.13%40MCC20MCX
 Output Coupler 631112-1171.1"27.940.236"660%<0.12%20MCC7.5MCX
 Output Coupler 631419-1171.1"27.940.236"660%0.12%20MCC9MCX
 Output Coupler 619941.1"27.940.22"5.660%<0.08%10MCC5MCX
 Output Coupler 615451.5"38.10.314"860%<0.13%35MCC15MCX
 Output Coupler 618351"25.40.236"665%<0.10%30MCC30MCX
 Output Coupler 614351"25.40.236"665%<0.08%30MCC30MCX
 Output Coupler 631164-1171.1"27.940.22"5.665%<0.1215MCC10MCX
 Output Coupler 631433-1171.1"27.940.22"5.665%0.08%20MCC15MCX
 Output Coupler 615461.1"27.940.236"670%<0.12%PlanoPlano
 Output Coupler 614111.1"27.940.22"5.670%<0.05%20MCC20MCX

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