Fiber-Pigtailed Diode Laser

Diode Laser Concepts Inc.

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Diode Laser Concepts Inc. has added fiber pigtailed diode laser systems to its product offerings with the introduction of Teleos. Delivering good optical stability and performance, the OEM thermoelectrically cooled system provides an alternative laser solution for flow cytometry, cell scanning, confocal microscopy and other bioinstrumentation, medical and scientific applications.

At 643 and 405 nm, it features up to 60 mW of output power from the exit aperture of the single-mode polarization-maintaining fiber, with an output power stability of <1% over 12 h. It also offers a TEM00 spatial mode beam with an M2 value of <1.1 with integrated laser drive electronics, using advanced electronic, thermal and mechanical stability design features.

Customizable specs include the fiber type, fiber length, fiber termination, wavelength, output power and mechanical mounting. For users who need more than 60-mW output or more wavelengths, the company offers custom systems that incorporate multiple fiber pigtailed laser diodes into a single compact mechanical housing measuring 40 × 40 × 80 mm and made of anodized aluminum.

At 643 nm, the system operates from a 5-VDC supply, ±1%, and, at 405 nm, it operates from an 8-VDC supply, also ±1%. Warm-up time is <5 min, maximum bandwidth is <5 kHz, and rise and fall time is >10 ms. Operating temperature is from 10 to 35 °C, and optical platform temperature stability is <0.01 °C, with 0.002 °C typical. Aspect ratio is <1.05, and noise is <0.15% rms. Laser lifetime is >5000 h at 25 °C.

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Published: January 2010