1. Jim Crittenden (empowered by GH, Carol Johnstone, Chris Mayes)
CERL 6.8: Complete Linear Optics First optics since CERL 3.0 (August, 2007) Now incorporates CESR (Q09W-B25E), dual-energy turnaround, re-designed linacs, new Wilson Lab x-ray lines, and more
Jim Crittenden (empowered by GH, Carol Johnstone, Chris Mayes)
CESR, 6 November 2008

2. ERL@CESR/ J.A.Crittenden
CERL 3.0 Optics
6 November 2008
J.A.Crittenden

3. ERL@CESR/ J.A.Crittenden
CERL 6.8 Optics
6 November 2008
J.A.Crittenden

4. ERL@CESR/ J.A.Crittenden
CERL 6.8 Emittance Growth
6 November 2008
J.A.Crittenden

5. ERL@CESR/ J.A.Crittenden
CERL 6.8 South Arc
6 November 2008
J.A.Crittenden

6. ERL@CESR/ J.A.Crittenden
CERL 6.8 North Arc
6 November 2008
J.A.Crittenden

7. CERL 6.8: CESR (G-line wiggler - B25E)
6 November 2008
J.A.Crittenden

8. Element Spacing Improved (Example: South Arc Cell B)
CERL 3.0
CERL 6.8
6 November 2008
J.A.Crittenden

9. ERL@CESR/ J.A.Crittenden
Next Steps
Design second-order optics
Use 4-m dipoles rather than 2.5 m dipoles in TA/TB
Reduce number of matching quads in TA/TB
Introduce multi-pass elements in TA/TB
Introduce horizontal corrector after dump
Make 1-inch round aperture everywhere except CESR
6 November 2008
J.A.Crittenden