[17p-D63-1~16] 7.2 Applications and technologies of electron beams

1:30 PM - 1:45 PM JST(4:30 AM - 4:45 AM UTC)

[17p-D63-3] Reconstruction of Wigner function of electron beams and deriviation of axial brightness formula

〇(D)Shuhei Hatanaka^1,2, Jun Yamasaki^1,3 (1.RC-UHVEM, Osaka Univ., 2.Grad. Sch. Eng., Osaka Univ., 3.IMaSS, Nagoya Univ.)

Keywords:

coherence,brightnss,electron source

It is known that Wigner function is a quasiprobability function in phase space. We reconstructed the Wigner function for electron beams, based on coherence measurements. Through the discussion of the Wigner function, we derived the formula of the axial brightness The axial brightness of field emission guns and a thermionic emission gun determined.