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Reflective Phase Retarder
Reflective
Phase Retarders are used as beam bending mirrors external to the laser
cavity to establish and maintain circular polarization. This
requirement is particularly vital for laser material processing
applications where cut or scribed edge quality, or weld penetration, is
critical to the consistency and precision of the final part. Ninety
degree Phase Retarders, also commonly called circular polarizers, are
used external to the laser cavity to transform the laser's linearly
polarized beam into a circularly polarized beam. Zero degree Phase
Retarders maintain control over the circularly polarized beam.
| Part
No. |
Material |
Diameter
(inch/mm) |
Thickness
(inch/mm) |
Side
1 Radius |
Side
1 Reflectivity (%R) |
| 90 degree Phase Retarder |
| 90RCU-1.5-6.4 |
Copper |
1.50" |
0.250" |
Plano |
>98.0% |
| 90RCU-50-10 |
Copper |
50mm |
10mm |
Plano |
>98.0% |
| 90RCU-50-25-WC |
Copper |
50mm |
25mm |
Plano |
>98.0% |
| 90RCU-2.0-9.5 |
Copper |
2.00" |
0.375" |
Plano |
>98.0% |
| 90RCU-57-10 |
Copper |
57mm |
10mm |
Plano |
>98.0% |
| |
| 90RSI-1.5-4 |
Silicon |
1.50" |
0.160" |
Plano |
>98.0% |
| 90RSI-2.0-5 |
Silicon |
2.00" |
0.200" |
Plano |
>98.0% |
| 90RSI-2.0-9.5 |
Silicon |
2.00" |
0.375" |
Plano |
>98.0% |
| 0 degree Phase Retarder |
| 0RCU-50-10 |
Copper |
50mm |
10mm |
Plano |
>99.8% |
| 0RCU-50-5 |
Copper |
50mm |
0.200" |
Plano |
>99.8% |
| 0RCU-50-25-WC |
Copper |
50mm |
25mm |
Plano |
>99.8% |
| 0RCU-57-10 |
Copper |
57mm |
0.394" |
Plano |
>99.8% |
| 0RCU-60-6 |
Copper |
60mm |
0.236" |
Plano |
>99.5% |
| |
| 0RSI-1.5-4 |
Silicon |
1.50" |
0.160" |
Plano |
>99.6% |
| 0RSI-2.0-5 |
Silicon |
2.00" |
0.200" |
Plano |
>99.5% |
| 0RSI-3.0-6.4 |
Silicon |
3.00" |
0.250" |
Plano |
>99.5% |
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