| 摘要 |
<p>A laser light shaping optical system 1 in accordance with an embodiment of the present invention comprises an intensity conversion lens 11 for converging and shaping an intensity distribution of laser light incident thereon into a desirable intensity distribution; a phase correction lens 12 for correcting the laser light emitted from the intensity conversion lens 11 into a plane wave by homogenizing a phase thereof; and an expansion/reduction optical system 20, arranged between the intensity conversion lens 11 and the phase correction lens 12, for expanding or reducing the laser light emitted from the intensity conversion lens 11.</p> |
