Alfalight's 976 nm Wavelength-Stabilized Diode Lasers Provide Efficient Pumping Without Cooling

Long Beach , CA - Alfalight, Inc., a manufacturer of diode lasers, introduced their first commercially available Wavelength Stabilized Technology (WST) diode lasers: a 2 watt diode laser in a fiber-coupled package and a 2.5 watt diode laser in a chip-on-carrier package. A monolithically-integrated grating defines the 976 nm output wavelength, which is stable relative to changes in temperature and drive current while maintaining a narrow spectral width. These lasers do not require any cooling or external components to maintain wavelength, reducing their energy consumption by up to three times over a thermally-controlled pump laser.

"These represent the first entries in a line of products that will be based on our unique Wavelength Stabilized Technology for precision pumping of fiber and solid-state lasers," said Ron Bechtold, vice president of sales and marketing for Alfalight. "These diode lasers enable precision pumping of high-performance pulsed fiber lasers without additional components or cooling."

The diodes are available with 2.0 watts in a 6-pin fiber-coupled package with 105(micro)m/0.15NA fiber (part number AM6-976CW-20-201), or with 2.5 watts in Q- or C-mount chip-on-carrier packages (part numbers AMQ-976CW-02-251 and AMC-976CW-02-251). The wavelength drift is only 0.07 nm/degrees C with a linewidth of 0.3 nm, representing five and ten times improvement, respectively, over traditional multimode pump diode laser performance. No additional components or subassemblies are required, as the wavelength stabilization technology is integrated directly onto the semiconductor chip itself. The units are physically identical to their non-WST counterparts eliminating the need for any special handling in the manufacturing process.

SOURCE: Alfalight, Inc.