gallium arsenide laser


Also found in: Acronyms.

gallium arsenide laser

[¦gal·ē·əm ¦ärs·ən‚īd ′lā·zər]
(optics)
A laser that emits light at right angles to a junction region in gallium arsenide, at a wavelength of 9000 angstroms (900 nanometers); can be modulated directly at microwave frequencies; cryogenic cooling is required.