Recent progress in the development of pulse compression gratings
The PETAL facility uses chirped pulse amplification (CPA) technique. This system needs large pulse compression gratings that request damage threshold better than 4 J/cm2 in normal beam at 1.053 μm for 500 fs pulses. In this paper, we will show recent grating designs with either multilayer dielectric...
| Main Authors: | , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
EDP Sciences
2013-11-01
|
| Series: | EPJ Web of Conferences |
| Online Access: | http://dx.doi.org/10.1051/epjconf/20135907002 |
| _version_ | 1798029024132333568 |
|---|---|
| author | Hocquet S. Néauport J. Bonod N. |
| author_facet | Hocquet S. Néauport J. Bonod N. |
| author_sort | Hocquet S. |
| collection | DOAJ |
| description | The PETAL facility uses chirped pulse amplification (CPA) technique. This system needs large pulse compression gratings that request damage threshold better than 4 J/cm2 in normal beam at 1.053 μm for 500 fs pulses. In this paper, we will show recent grating designs with either multilayer dielectrics or hybrid metal-dielectric structures. We have shown in previous works that damage threshold is driven by the enhancement of the near electric field inside the pillars of the grating. This was evidenced from a macroscopic point of view by means of laser damage testing. We will show that damage morphology during damage initiation at the scale of the grating groove is also consistent with this electric field dependence. |
| first_indexed | 2024-04-11T19:17:41Z |
| format | Article |
| id | doaj.art-3e3c4a3a326741c196fceab1822cf336 |
| institution | Directory Open Access Journal |
| issn | 2100-014X |
| language | English |
| last_indexed | 2024-04-11T19:17:41Z |
| publishDate | 2013-11-01 |
| publisher | EDP Sciences |
| record_format | Article |
| series | EPJ Web of Conferences |
| spelling | doaj.art-3e3c4a3a326741c196fceab1822cf3362022-12-22T04:07:23ZengEDP SciencesEPJ Web of Conferences2100-014X2013-11-01590700210.1051/epjconf/20135907002Recent progress in the development of pulse compression gratingsHocquet S.Néauport J.Bonod N.The PETAL facility uses chirped pulse amplification (CPA) technique. This system needs large pulse compression gratings that request damage threshold better than 4 J/cm2 in normal beam at 1.053 μm for 500 fs pulses. In this paper, we will show recent grating designs with either multilayer dielectrics or hybrid metal-dielectric structures. We have shown in previous works that damage threshold is driven by the enhancement of the near electric field inside the pillars of the grating. This was evidenced from a macroscopic point of view by means of laser damage testing. We will show that damage morphology during damage initiation at the scale of the grating groove is also consistent with this electric field dependence.http://dx.doi.org/10.1051/epjconf/20135907002 |
| spellingShingle | Hocquet S. Néauport J. Bonod N. Recent progress in the development of pulse compression gratings EPJ Web of Conferences |
| title | Recent progress in the development of pulse compression gratings |
| title_full | Recent progress in the development of pulse compression gratings |
| title_fullStr | Recent progress in the development of pulse compression gratings |
| title_full_unstemmed | Recent progress in the development of pulse compression gratings |
| title_short | Recent progress in the development of pulse compression gratings |
| title_sort | recent progress in the development of pulse compression gratings |
| url | http://dx.doi.org/10.1051/epjconf/20135907002 |
| work_keys_str_mv | AT hocquets recentprogressinthedevelopmentofpulsecompressiongratings AT neauportj recentprogressinthedevelopmentofpulsecompressiongratings AT bonodn recentprogressinthedevelopmentofpulsecompressiongratings |