MEASUREMENT OF ENERGY PENETRATION DEPTH OF SUBPICOSECOND LASER ENERGY INTO SOLID DENSITY MATTER

被引:34
作者
ZIGLER, A
BURKHALTER, PG
NAGEL, DJ
ROSEN, MD
BOYER, K
GIBSON, G
LUK, TS
MCPHERSON, A
RHODES, CK
机构
[1] UNIV CALIF LAWRENCE LIVERMORE NATL LAB,LIVERMORE,CA 94550
[2] UNIV ILLINOIS,CHICAGO,IL 60680
[3] FM TECHNOL,FAIRFAX,VA 22032
关键词
D O I
10.1063/1.105430
中图分类号
O59 [应用物理学];
学科分类号
摘要
The energy penetration depth characteristic of the interaction of intense subpicosecond (approximately 600 fs) ultraviolet (248 nm) laser radiation with solid density material has been experimentally determined. This was accomplished by using a series of ultraviolet transmitting targets consisting of a fused silica (SiO2) substrate coated with an 80-600 nm layer of MgF2. The measurement of He-like and H-like Si and Mg lines, as a function of MgF2 thickness, enabled the determination of the energy penetration depth. It was found that this depth falls in the range of 250-300 nm for a laser intensity of approximately 3 X 10(16) W/cm2. Based on numerical simulations, it is estimated that solid density material to a depth of approximately 250 nm is heated to an electron temperature of approximately 500 eV.
引用
收藏
页码:534 / 536
页数:3
相关论文
共 15 条
  • [1] DIFFRACTION EFFICIENCY OF THE CURVED-CRYSTAL SPECTROGRAPH
    BROWN, DB
    FATEMI, M
    [J]. JOURNAL OF APPLIED PHYSICS, 1980, 51 (05) : 2540 - 2548
  • [3] GILFRICH JV, 1975, APPL SPECTROSC, V29, P322, DOI 10.1366/000370275774455914
  • [4] AN ELECTRON CONDUCTIVITY MODEL FOR DENSE-PLASMAS
    LEE, YT
    MORE, RM
    [J]. PHYSICS OF FLUIDS, 1984, 27 (05) : 1273 - 1286
  • [5] ULTRAHIGH-INTENSITY KRF-STAR LASER SYSTEM
    LUK, TS
    MCPHERSON, A
    GIBSON, G
    BOYER, K
    RHODES, CK
    [J]. OPTICS LETTERS, 1989, 14 (20) : 1113 - 1115
  • [6] RESISTIVITY OF A SIMPLE METAL FROM ROOM-TEMPERATURE TO 106-K
    MILCHBERG, HM
    FREEMAN, RR
    DAVEY, SC
    MORE, RM
    [J]. PHYSICAL REVIEW LETTERS, 1988, 61 (20) : 2364 - 2367
  • [7] ULTRAFAST X-RAY PULSES FROM LASER-PRODUCED PLASMAS
    MURNANE, MM
    KAPTEYN, HC
    ROSEN, MD
    FALCONE, RW
    [J]. SCIENCE, 1991, 251 (4993) : 531 - 536
  • [8] HIGH-DENSITY PLASMAS PRODUCED BY ULTRAFAST LASER-PULSES
    MURNANE, MM
    KAPTEYN, HC
    FALCONE, RW
    [J]. PHYSICAL REVIEW LETTERS, 1989, 62 (02) : 155 - 158
  • [9] PRASAD MK, 1988, B AM PHYS SOC, V33, P1994
  • [10] X-RAY-CALIBRATION OF KODAK DIRECT EXPOSURE FILM
    ROCKETT, PD
    BIRD, CR
    HAILEY, CJ
    SULLIVAN, D
    BROWN, DB
    BURKHALTER, PG
    [J]. APPLIED OPTICS, 1985, 24 (16): : 2536 - 2542