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Small ps diode lasers deliver high power

The Becker & Hickl BDS Series picosecond diode lasers combine small size with high power. The lasers come in industry-standard housings just 40 x 40 x 110 mm in size. Electronics is contained in the laser housing, the lasers are operated from a simple +12V wall-mounted power supply. The BDS-SM single-mode version has two internal repetition rates (20 MHz and 50 MHz) and a CW mode. Power is up to 5 mW in the pulsed mode and 50 mW in the CW mode. The pulse width is from 60 ps to 200 ps, depending on the wavelength version and the power. The lasers are available with free-beam output, with a permanently installed single-mode fibre, or with single-mode fibre couplers. The BDS-MM high-power multi-mode version delivers ps pulses at an average power up to 60 mW. It has two repetition rates, 50 MHz and 20 MHz. The BDS-MM version is available with a free-beam output or with a multi-mode fibre output. All BDS series lasers can be synchronised to an external clock source, have internal power stabilisation feedback, and fast on/off (modulation) capability. For more details see BDS-SM and BDS-MM.

The BDS series lasers can be used for a wide range of time-resolved spectroscopy and imaging applications. With their single-mode fibre capabilities the SM versions are suitable especially for FLIM / PLIM applications in laser scanning microscopy. The MM versions are targeting applications like fluorescence and phosphorescence decay measurements in cuvettes, and NIRS and fNIRS measurements in biological tissue. A few examples are shown below.

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