WAVELENGTH CONVERSION DEVICE AND IMAGE DISPLAY DEVICE

摘要

Disclosed is a wavelength conversion device, comprising a light source which emits an excited light; a laser medium which employs the excited light in emitting a fundamental light; a resonator mirror which cooperates with the laser medium in the fundamental wave light into a harmonic light. The wavelength conversion element further comprises: a first end face which inclines by an angle ¸ with respect to a face which is orthogonal with respect to an optical axis of the resonator; a second end face which is parallel with respect to the first end face.