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We demonstrate an astro-comb for relatively low resolution astronomical spectrographs. The space of comb lines is Altered to 30 GHz by a Fabry-Perot cavity spaced by an ULE glass. The radial velocity precision is <40 cm/s.
We demonstrate the first 1 GHz fundamental repetition rate ring cavity ytterbium doped fiber laser. The laser delivers 600 mW, 64fs near transform-limited pulses and supports direct octave-spanning spectrum generation.
We report a compact Yb:fiber ring laser operated at 616 MHz. The average output power is 450 mW at a pump power of 900 mW. The dechirped pulse width is 98 fs.
We demonstrate sub-50 fs pulses generation directly from a 750 MHz repetition rate dispersion managed Yb: fiber ring laser by precision compensation of the intracavity dispersion.
We demonstrate high repetition rate (up to 225 MHz) all-normal dispersion Yb:fiber ring laser. The average output power is 280 mW at a pump power of 6 00 mW. The dechirped pulse is 93 fs.
We demonstrate 330 MHz repetition rate operation in a ring cavity Yb:fiber laser with novel and compact devices. The spectral bandwidth of the pulse is 30 nm and the dechirped pulse width is 48 fs.
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