| Electrically tunable phase retarder |
![]() Tunable phase retarder The TPR-8-40 enables to shift the optical phase of a laser beam by selectively increasing its optical path length. By varying a control voltage, the optical phase shift (or delay) can be finely adjusted to any specific value from 0 to 1.3um. Optotune's tunable phase retarder is the ideal choice for applications in:
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