$681.00 ships: In Stock | item#: FCD488
- Wavelength: 488 ±2 nm
- Output Power: >20 mW
- Spatial Mode: TEM00
- Beam Quality (M2): <1.2
- CDRH Class: IIIb
- Device Condition: Certified Pre-Owned, in good working condition
- Offered by: Starlight Photonics, a Laser Lab Source Marketplace Seller
Sold & Supported in North America by: LaserDiodeControl.com, part of the Laser Lab Source Marketplace Group
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Unused 488nm solid state laser system made by JDSU / Lumentum. This unit is coupled to a 1m polarization maintaining fiber with a collimator at the end that produces the same quality beam as the free space version. We've tested this laser and find that it performs like new. It produces the rated 20mW output at a diode current of 305mA, well below the 850mA maximum. The system shows just a few minutes of run time from testing. These produce a high quality, stable and low noise beam. The pictures are of a similar laser, but the terminal session is from the unit offered in this listing.
Note that this laser does not auto-start. To turn on the laser, you will need to connect a computer to the serial port and issue the LASER_ON (LON) command.
This listing includes everything you need to get started:
Continuous-wave, solid-state FCD (frequency-converted diode) laser operating at a wavelength of 488 nm features all-in-fiber architecture. A package contains both the optical elements of the laser and the control electronics, allowing full control and diagnostics of the laser system through an analog interface and RS232 interface. Powered by an external 5 V DC power supply, the laser is cost-efficient, reliable, and compact, with excellent electrical and thermal efficiency. It has a low heat load, so the laser operates without a heat sink. The laser delivers 20 mW in a very stable and low-noise beam from a compact package, especially designed for original equipment manufacturing (OEM) and system integration.
In the laser head, blue light is created by a 980 nm laser diode and a frequency-doubling crystal. The crystal is temperature-stabilized by a controller driving a thermoelectric cooler for optimal laser power and noise. The controller also provides current to the 980 nm diode, as well as monitoring and controlling the thermoelectric cooler which is integrated into its package. The blue power is controlled by adjusting the diode current with closed-loop feedback from an external photodiode. The laser is operated in constant power mode and can be controlled and monitored via either an RS232 interface or a Digital/Analog interface.
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