Near-diffraction-limited laser beam shaping with diamond-turned aspheric optics
We used a pair of diamond-turned CaF(2) aspheres to convert the pure TEM(00) Gaussian spatial profile output of a diode-pumped Nd:YAG laser oscillator into a super-Gaussian intensity profile with a nearly flat phase front. The resulting super-Gaussian beam was nearly diffraction limited with an M(2)...
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| Veröffentlicht in: | Optics letters 1997-07, Vol.22 (14), p.1062-1064 |
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| container_end_page | 1064 |
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| container_issue | 14 |
| container_start_page | 1062 |
| container_title | Optics letters |
| container_volume | 22 |
| creator | Kasinski, J J Burnham, R L |
| description | We used a pair of diamond-turned CaF(2) aspheres to convert the pure TEM(00) Gaussian spatial profile output of a diode-pumped Nd:YAG laser oscillator into a super-Gaussian intensity profile with a nearly flat phase front. The resulting super-Gaussian beam was nearly diffraction limited with an M(2) of 1.75; in the near field the 5-mm diameter beam retained a nominally flat-top intensity distribution without significant diffraction peaks for an excellent working distance of more than 50cm. A 10% improvement in amplifier-energy extraction obtained by use of the reshaped beam is demonstrated. |
| doi_str_mv | 10.1364/OL.22.001062 |
| format | Article |
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| fulltext | fulltext |
| identifier | ISSN: 0146-9592 |
| ispartof | Optics letters, 1997-07, Vol.22 (14), p.1062-1064 |
| issn | 0146-9592 1539-4794 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_734227256 |
| source | Optica Publishing Group Journals |
| title | Near-diffraction-limited laser beam shaping with diamond-turned aspheric optics |
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