Request InfoWavelength Electronics Inc.Wavelength Electronics provides high-performance control of laser diodes or QCLs in spectrometers, including low-noise laser current and milliKelvin stability temperature. Choose QCL&PTC-CH for ultra-narrow linewidth and stable center wavelength; WLD3343 + WTC3243 for compact, portable PCB-mount control; or the LDTC for laser driver integrated temperature control in a chassis mount enclosure with cable connections. 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