Optical apparatus, optical apparatus adjustment method, and storage medium recorded with a processing program that executes said adjustment method
An optical apparatus has an adjustment apparatus 5 and an optical unit 1 including a plurality of optical elements. The adjustment apparatus sequentially provides control signals that, according to a probabilistic search technique, change the parameters of a stipulated plurality of optical elements among the optical elements to become parameters that cause the functions of the optical apparatus to satisfy stipulated specifications. A method of adjusting the optical apparatus includes sequentially providing control signals that, according to a probabilistic search technique, change the parameters of the stipulated plurality of optical elements among the optical elements, and searching for optical values at which the functions of the optical apparatus the stipulated specification.
1. A laser apparatus comprising:
a laser unit comprising a plurality of optical elements; and
an adjustment apparatus configured to output control signals which, according to a probabilistic search algorithm, make adjustment of parameters of a stipulated number of optical elements among said plurality of optical elements and which search for optimal parameter values at which functions of said laser apparatus satisfy stipulated specifications.
2. The laser apparatus according to claim 1 , wherein the probabilistic search algorithm is a genetic algorithm.
3. The laser apparatus according to claim 1 , wherein the probabilistic search algorithm is a simulated annealing method.
4. The laser apparatus according to claim 1 , wherein said adjustment apparatus uses an evaluation function that performs weighed sum of a plurality of evaluation results of a state of the functions of the laser apparatus.
5. The laser apparatus according to claim 1 , wherein the laser unit is an ultrashort pulse laser unit.
6. The laser apparatus according to claim 1 , wherein said parameters of the stipulated number of optical elements are positions or orientations of the optical elements.
7. The laser apparatus according to claim 6 , wherein at least one of said optical elements is a mirror.
8. The laser apparatus according to claim 6 , wherein at least one of said optical elements is a prism.
9. A method of adjusting a laser apparatus that controls a plurality of optical elements constituting a laser unit, comprising the steps of:
sequentially providing control signals that, according to a probabilistic search algorithm, make adjustment of parameters of a stipulated number of optical elements among said plurality of optical elements; and
searching for optimal parameter values at which functions of said laser apparatus satisfy stipulated specifications.
10. The method according to claim 9 , wherein the probabilistic search algorithm is a genetic algorithm.
11. The method according to claim 9 , wherein the probabilistic search algorithm is a simulated annealing method.
12. The method according to claim 9 , wherein a function that performs weighed sum of a plurality of evaluation results of a state of the functions of the laser apparatus is used as an evaluation function.
13. The method according to claim 9 , wherein the laser unit is an ultrashort pulse laser unit.
14. The method according to claim 9 , wherein said parameters of the stipulated number of optical elements are the positions or orientations of the optical elements.
15. The method according to claim 14 , wherein at least one of said optical elements is a mirror.
16. The method according to claim 14 , wherein at least one of said optical elements is a prism.
17. An adjustment apparatus comprising an electronic computer and recording media which said electronic computer can read, wherein said adjustment apparatus performs adjustment by the method of claim 9 .
18. Recording media that store an adjustment program that performs the adjustment according to claim 9 .