Abstract

We report on a new periodically poled lithium niobate grating design with a continuous grating-period change (fan-out). We observed $350 {\mathrm{cm}}^{-1}$ (80 nm at $1.5 \mathit{\mu }\mathrm{m}$) of complete spectral coverage at a constant temperature in a cw optical parametric oscillator. Complete spectral coverage is demonstrated by measurement of an absorption band of ${\mathrm{CO}}_2$.

© 1998 Optical Society of America

Wide single-mode tuning of a 3.0–3.8-µm, 700-mW, continuous-wave Nd:YAG-pumped optical parametric oscillator based on periodically poled lithium niobate

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Continuous-wave 532-nm-pumped singly resonant optical parametric oscillator based on periodically poled lithium niobate

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Diode-pumped continuous-wave widely tunable optical parametric oscillator based on periodically poled lithium tantalate

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Continuous-wave optical parametric oscillator based on periodically poled KTiOPO₄

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