Orbits Lightwave, Inc. (Pasadena, CA) has added up to a 20 GHz mode hop free fast tuning option to its line of EthernalTM fiber lasers.

This option allows the Ethernal models to be modulated with >10 kHz bandwidth. The lasers operate in the eye-safe telecommunications C-band wavelength range (1,530-1,565 nm) and are available in 1,030-1,080 nm models. The units have power up to 200 mW; a signal-to-noise ratio of 80 dB/Hz; a side mode suppression ratio >75 dBc; and shot-noise limited RIN. Phase noise is <100 Hz/vHz at 10 Hz and frequency stability is <10 Mhz/°C.

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