Model cOPA Tunable Ultrafast Source for Microscopy Applications
The Model cOPA is a unique, three-beam source of ultrashort pulses at MHz repetition rate that operates in the one micron wavelength range. It is an ideal source for high repetition rate, 4‐wave mixing experiments such as 3D multimodal imaging microscopy in cells and tissue. All three beams are synchronized to less than 10 femtoseconds. Two beams are independently tunable. At more than 100 nJ/pulse the Model cOPA provides enough energy to perform multimodel microspectroscopy followed by ablative sectioning of tissue samples.
The Model cOPA consists of two synchronized OPAs in one enclosure pumped by a megahertz repetition rate, fiber laser oscillator/amplifier system. Each OPA is independently tunable from 700 to 950 nm in the signal range and from 1130 to 1300 nm in the idler range. Residual 1030 nm pump light of > 1 μJ is available from a separate output port. Motorized drives for electronic tuning are included.
Tuning Range: 700-950 nm (Signal) 1130-1300 nm (Idler)
Pulse Energy: >100 nJ (Signal) >80 nJ at peak (Idler)
Repetition rate: 1 MHz
Bandwidth: <150 cm-1 (200 cm-1 to 250 cm-1 available at higher power output)
Compressibility: <1.5 x transform limit
Pulse Energy Noise: <1% rms for f >2 Hz
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