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Photonics Buyers' Guide / Arroyo Instruments LLC
Arroyo Instruments LLC
Map1201 Prospect St.
San Luis Obispo, CA 93401
United States
Phone: +1 805-543-1302
Fax: +1 805-543-1303
Toll-free: +1 888-979-9541

We offer both benchtop and OEM power supplies in a wide range of power levels, in both single channel, combo, and multi-channel configurations. If our standard products don’t meet your needs, we can often customize our solutions so that they do.

4300 LaserSourceOur diode drivers offer high stability and low noise performance, suitable for both laboratory and high performance manufacturing applications. Output current ranges from 100mA to 100A, and some models include microsecond pulse (QCW) operation, with integrated pulse generator and pulse widths as narrow as 100 microseconds.

5400 TECSource

Our temperature controllers feature 0.004°C stability and output powers from 28W to up to 960 Watts! All of our controllers feature an integrated user adjustable power supply for an external fan, some have 4-wire measurement mode for RTD sensors, digital I/O, multiple sensor inputs.

MultiSourceWe also offer multi-channel controllers for high-density test and manufacturing applications. Based on the same proven technology as our benchtop products, our MultiSource controllers are rack-mountable, high-performance solutions in both low and high-power configurations.


Our benchtop instruments feature a bright VFD display with an easy to use interface, while our OEM models offer a compact, displayless enclosure for embedded or low cost applications. All instruments include a USB computer interface, and many also include RS-232.

Established: 2004
Ownership type: Privately Owned
Paul Corr, Pres.
Green Products Green Products
Green Manufacturing Green Manufacturing
Green Facility Green Facility


Arroyo Instruments - 4400 LaserSource and 5400 TECSource
laser drivertemperature controlmountthermal managementPakcurrent sourcelow noiseprecisionstablediode driverLEDpower suppliesbenchtopOEMheat sinkTECSourceTECthermistorIC sensorpower controller
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