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The PicoEmerald S

The PicoEmerald S from APE – available from Photonics Solutions – combines a picosecond OPO and its pump laser in a single housing. The new pump source offers shorter pulses of 2 picoseconds with 10cm - 1 spectral width compared to the original PicoEmerald version offering 6 picoseconds. The selection of features make the PicoEmerald S well suited to CARS microscopy and SRS Raman microscopy.

The 3 beams, namely the OPO signal, OPO idler, and 1031nm pump laser fundamental, are available individually or at the same time in various combinations overlapped in space. They are also temporally overlapped via an internal delay line. The delay line is variable and computer controlled to allow a delay of the order of ten picoseconds to accommodate possible dispersion when different wavelengths propagate through optical elements.

The OPO generates narrowband picosecond pulses from 700 – 960nm and 1120 – 1960nm, wavelength selection is under computer control and measured with a built in high resolution spectrometer.

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