Optical fiber coupling type infrared laser light source

The invention discloses an optical fiber coupling type infrared laser light source and belongs to the field of line-scan digital camera illumination compensation. The problem that images collected by existing image detection system are low in definition due to the fact that illumination brightness is uneven and wavelength shift is produced along with temperature changes is solved. The optical fiber coupling type infrared laser light source comprises an optical fiber coupling type laser, a cooling device and a drive unit. The drive unit comprises a trigger circuit and a constant-current drive circuit. The drive unit and the optical fiber coupling type laser are fixed to the cooling device. The cooling device is used for cooling the drive unit and the optical fiber coupling type laser. The trigger signal output end of the trigger circuit is connected with the trigger signal input end of the optical fiber coupling type laser. The constant-current signal output end of the constant-current drive circuit is connect