A wavelength tuning system adjusts an external cavity of a laser about two orthogonal axes for aligning features of a diffractive optic with a third orthogonal axis about which the diffractive optic is pivoted for providing selected wavelength feedback to the laser. A laser mount supports the laser,...http://www.google.com.au/patents/US6690690?utm_source=gb-gplus-sharePatent US6690690 - Tunable laser system having an adjustable external cavity
