Monoenergetic Proton Beams Accelerated by a Radiation Pressure Driven Shock
Journal Article
·
· Physical Review Letters
We report on the acceleration of impurity-free quasimononenergetic proton beams from an initially gaseous hydrogen target driven by an intense infrared ({lambda} = 10 {micro}m) laser. The front surface of the target was observed by optical probing to be driven forward by the radiation pressure of the laser. A proton beam of MeV energy was simultaneously recorded with narrow energy spread ({sigma}-4%), low normalized emittance (-8 nm), and negligible background. The scaling of proton energy with the ratio of intensity over density (I/n) confirms that the acceleration is due to the radiation pressure driven shock.
- Research Organization:
- Brookhaven National Lab. (BNL), Upton, NY (United States)
- Sponsoring Organization:
- DOE - OFFICE OF SCIENCE
- DOE Contract Number:
- DE-AC02-98CH10886
- OSTI ID:
- 1021395
- Report Number(s):
- BNL-95101-2011-JA; PRLTAO; TRN: US1103966
- Journal Information:
- Physical Review Letters, Vol. 106, Issue 1; ISSN 0031-9007
- Country of Publication:
- United States
- Language:
- English
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