| abstract |
An object of the present invention is to provide a laser light irradiation apparatus and an apparatus for manufacturing an optical member joined body capable of cutting an object sharply and suppressing deterioration in cut quality, and a laser oscillator A condenser lens 141 for condensing the laser beam radiated from the laser oscillator, a diaphragm member 143 for fixing the laser beam condensed by the condenser lens, and a collimator for collimating the laser beam, And a collimator lens 145 that converges the collimated light. |