HGHG experiment run, June 3, 1999.

Electron beam (small, intense spot) and HeNe laser beam (larger spot) as observed on the 5 monitors designed and built by Erik Johnson in the Cornell Wigger.

Image at Monitor 1: Laser and e-beam overlapped.

Pop1.bmp (362038 bytes)

At monitors 2 to 4 the electron beam follows the calculated rajectory and deviated from the laser beam by about 700 microns. The deviations are not constant since the correction program written by Vadim Sajaev has not been applied at this point.

Image at Monitor 2:

Pop2.bmp (362038 bytes)

Image at Monitor 3:

Pupin3~1.bmp (362038 bytes)

Image at Monitor 4:

Pupin4~1.bmp (362038 bytes)

Image at Monitor 5: Laser and e-beam overlap again.

Pupin5~1.bmp (362038 bytes)