RTP Phase Modulator

Cristal Laser

Quick Overview

RTP may also be used in a single-crystal configuration for phase-modulation, taking advantage of the high r33 electro-optic coefficient. In this case, the laser emission is polarised along the crystal's Z-axis and the optical length of the crystal can be precisely adjusted by the voltage applied between the Z-sides. The following features make RTP a good material for phase-modulation: No water-sensitiveness High electro-optic constant No piezo or pyro-electric effects It is often used as an OPO / OPA gain medium for emission in the 3µm range as well as an OPO crystal for eye-safe emission at high average power.

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More Information
name RTP Phase Modulator
Description RTP Phase Modulator (Rubidium Titanyle Phosphate)
Aperture Up to 15x15mm²
flatness <λ/10 @633nm
parallelism Down to 5”
Orientation of X- and Z-axes Better than 0.1°

Quick Overview

Features 

  • Non hygroscopic
  • Large electro-optic coefficient
  • No piezo- or pyroelectric effects

    Applications 

  • Phase-modulation
  • Single-frequency lasers
  • Amplitude modulation
  • .