COHERENT LIGHT SOURCE AND OPTICAL DEVICE USING THE SAME

摘要

There is provided a coherent light source including: a light source unit having a dope fiber and emitting a light of first wavelength and a light of second wavelength by the dope fiber; and a wavelength conversion element unit having a first wavelength conversion element for receiving the light of the first wavelength and emitting a light having a wavelength shorter than the first wavelength.