The QCL Series of Low Noise Quantum Cascade Laser Drivers from Wavelength Electronics (Bozeman, MT) minimize linewidth, spectral drift, and center wavelength jitter with low noise control electronics. The driver offers sub-microamp RMS noise (0.7 μA RMS over 100 kHz bandwidth with the QCL1000 1A driver). Designed as an OEM controller, it can be used in field-deployed systems or on a benchtop. Its bandwidth is 2-3 MHz, with rise and fall times of 250 / 200 nsec. The QCL Series drives up to 2A of low noise current with core safety features: current limit, slow start, brownout / reverse voltage / overvoltage protection, and remote or local current.
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