slegsprototypeon100mevlinac-上海應(yīng)用物理研究所

1、SLEGS Proto type on SINAP LINAC,Jin-Gen Chen & SLEGS Collaboration,May 18th 2006,The 6th China Japan Nuclear Physics Symposium,Outline,A brief introduction of Shanghai Synchrotron Radiation Facility (SSRF) & Sha

2、nghai Laser Electron Gamma Source (SLEGS)SINAP LINAC and Candidate lasers The simulated results for backscatteringProgress in setup of proto type of SLEGS,May 18th 2006,The 6th China Japan Nuclear Physics Symposium,SS

3、RF Layout,100MeV Linac injector3.5GeV Booster3.5GeV Storage Ring,Wide range of wave length High power and high brightnessSmall pulse length High linear or circular polarization High efficiency High flexibility,Cha

4、racteristics of SSRF,May 18th 2006,The 6th China Japan Nuclear Physics Symposium,SLEGS @ SSRF,Astro-nuclear physics (e.g. 3a process) Spin-physicsHadron & Nuclear physics Photo-disintegration ( g ,n) reactionsN

5、uclear FluorescentApplication for material scienceNew photon sources with quantum technologies …,Physics Goals,May 18th 2006,The 6th China Japan Nuclear Physics Symposium,SLEGS @SSRF 1-25MeV, will be made by SIN

6、AP in 2008 at SSRF, China,rather flat energy distribution with small spreadinghigh linear- or circular-polarization,May 18th 2006,The 6th China Japan Nuclear Physics Symposium,100 MeV LINAC,At present, SLEGS constructio

7、n is under its primary stage. We now carrying out the construction of its proto type----a x-ray facility at 100 MeV LINAC.,May 18th 2006,The 6th China Japan Nuclear Physics Symposium,Main features of LINAC- present,singl

8、e bunch mode; Energy: 100 [MeV]; Energy resolution: 0.9%;Pulse length: 1 [ns] (FWHM), 1.28 [A]; 1s Normalized emittance: 107 (x), 137 (y) [p mmrad];,May 18th 2006,The 6th China Japan Nuclear Physics Symposium,Candida

9、te lasers,May 18th 2006,The 6th China Japan Nuclear Physics Symposium,100 MeV LINAC vs. CO2 laser as a sample,CO2 laser: l=10.64 [mm] ? Infrared. Waist radius: down to ~10 [mm] Power of CW laser: up to ~1500 [W] Well

10、-developed and generally-used in industry. Relatively low cost.,May 18th 2006,The 6th China Japan Nuclear Physics Symposium,The differential flux changes sharply with the transform of interaction position if waist width

11、 is very small but becomes insensitive when waist width of laser is large enough. Total luminous flux increases and then decreases with increase of waist width of laser. In addition, a longer wave length laser correspon

12、ds a larger total luminous flux at the same waist width of laser.,May 18th 2006,The 6th China Japan Nuclear Physics Symposium,The collimation of laser and electron,,,,,,1. To give a collimation initialization via the tra

13、nsport of electron beam2. Co-axis of the collimated laser and the co2 laser 3. Readjustment of the co2 laser after the co2 being fixed at the LINAC4. Readjustment of the electron beam,May 18th 2006,The 6th China Japan

14、 Nuclear Physics Symposium,Ideal results,real results,May 18th 2006,The 6th China Japan Nuclear Physics Symposium,,,May 18th 2006,The 6th China Japan Nuclear Physics Symposium,Estimation of background,,Background from sy

15、nchrotron radiation,Background from bremsstrahlung of electron and air,May 18th 2006,The 6th China Japan Nuclear Physics Symposium,Other relevant equipments,,,,1. Data acquirement system 2. Control system 3. Detector s