TOPAS-HR is an optical parametric amplifier designed for high repetition rate (10 kHz - 1 Mhz) applications. Built on a well established TOPAS ORPHEUS base, TOPAS-HR provides high output stability throughout the entire tuning range, high output pulse and beam quality, full automation via USB port as well as optional frequency mixing stages to extend the tuning range. TOPAS-HR can be pumped by high repetition rate Ti:sapphire femtosecond laser amplifiers and is an invaluable tool for your spectroscopy, multiphoton microscopy, micro-structuring and other applications.
ORPHEUS-HP is a new member of ORPHEUS family offering input pump power acceptance up to 25W. Optional frequency mixers extend the tuning range to UV-VIS region and are integrated into a single monolithic housing. The design of this OPA offers completely hands-free wavelength tuning and automatic wavelength separation, also ensuring the same position and direction for all wavelengths in UV-near-IR region. ORPHEUS-HP integrates mini spectrometer for online monitoring of output wavelength.
TOPAS-prime CEP stability measurements for idler wave @ 1900nm have been extended to 1 hour time frame. As idler wave is passively CEP locked due to three-wave parametrical interaction only small phase drift cause by environmental conditions has to be compensated. Compensation is performed by employing an f-2f interferometer and feedback loop controlling temporal delay between seed and pump in second amplification stage of TOPAS-prime. The standard deviation of long term CEP distribution [Fig. 3] is 120 mrad.
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