Arroyo Instruments LLC is involved with the development, manufacturing and commercialization of highly accurate test and measurement instrumentation solutions for the laser and temperature control industry. Arroyo Instruments offers a range of laser diode drivers, temperature controllers and laser mounts for use in a wide array of laser diode testing such as research and development or manufacturing tests. Arroyo Instrumentsâ Source Series laser diode drivers, temperature controllers and laser feature optically isolated photodiode and modulation inputs to offer advanced diode safety protection and isolation. The firms âSourceâ Series of products consists of: LaserSource, a highly accurate laser diode tester with three modes of operation (current/ACC, power/APC, voltage/AVC) and able to reach ranges from 100mA to 20A; TECSource: a temperature controller with excellent stability and available in a variety of models to drive almost any peltier cooler application; and LaserMount: a highly efficient heat transfer test bed featuring passive and active Peltier cooling soluti