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Measurement of polarization-dependent loss mechanisms in Cr4+:YAG

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Using a polarized pump-probe technique, we studied the continuous-wave absorption and emission polarization anisotropy of Cr4+:YAG crystals and modeled the ground state absorption and excited state absorption loss. We propose a twisted mode laser cavity to compensate for this anisotropic loss and achieve narrow linewidth output.

© 2003 Optical Society of America

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