indus-1, beam size measurement by interferometry

Beam diagnostics in accelerator

1. Experimental Station Beam Splitter Beam Profiler BP Filter Metallic Mirror Optical Mirror (at 4106 mm) Glass window Radiation shielding wall of Indus Bending Magnet DP-3 SR light for Photo Physics Beamline Polarizer Lens Radiation shielding wall of Indus Indus-1 SRS SRI Slits Slits Slits (at 3026 to 3206 mm) (at 1006 mm) ( σ v~9.6 mrad (at 1277 mm) (400 nm)

2. Set-4 a1 = 0.7681 (0.7649, 0.7712) a2 = -0.03342 (-0.03355, -0.03328) a3 = -0.09459 (-0.1002, -0.08897) a4 = 0.3059 (0.3007, 0.3111) a5 = 0.117 (0.1163, 0.1177) a6 = 0.432 (0.4152, 0.4487) a1 = 0.6115 (0.6066, 0.6164) a2 = -0.03367 (-0.03392, -0.03342) a3 = -0.05341 (-0.0639, -0.04292) a4 = 0.6071 (0.5961, 0.6181) a5 = 0.124 (0.1233, 0.1247) a6 = 0.1347 (0.118, 0.1514)

3. Set-3 a1 = 0.6423 (0.6378, 0.6467) a2 = 0.01969 (0.01955, 0.01983) a3 = 0.02674 (0.01786, 0.03563) a4 = 0.52 (0.511, 0.5291) a5 = -0.08119 (-0.08159, -0.0808) a6 = -0.3677 (-0.3839, -0.3514) a1 = 0.6072 (0.6018, 0.6126) a2 = -0.01827 (-0.01844, -0.01811) a3 = -0.06747 (-0.07862, -0.05632) a4 = 0.6283 (0.6164, 0.6402) a5 = 0.08254 (0.08215, 0.08293) a6 = 0.2616 (0.2442, 0.2789)

4. Set-2 a1 = 0.8394 (0.8366, 0.8422) a2 = -0.02146 (-0.02153, -0.02138) a3 = 0.0211 (0.01665, 0.02554) a4 = 0.2 (fixed at bound) a5 = 0.1559 (0.1553, 0.1564) a6 = 0.1895 (0.1694, 0.2095) a1 = 0.7355 (0.7307, 0.7404) a2 = -0.02242 (-0.02257, -0.02226) a3 = 0.005594 (-0.003101, 0.01429) a4 = 0.3397 (0.3315, 0.3479) a5 = 0.1627 (0.162, 0.1633) a6 = 0.2518 (0.2283, 0.2753)

5. Set-1

6. a1 = 0.5032 (0.4968, 0.5095) a2 = 0.03691 (0.03645, 0.03737) a3 = -0.09008 (-0.1052, -0.07499) a4 = 0.8344 (0.8163, 0.8524) a5 = -0.1695 (-0.1704, -0.1687) a6 = -0.03323 (-0.05197, -0.01449) a1 = 0.587 (0.5804, 0.5936) a2 = -0.0689 (-0.06958, -0.06821) a3 = 0.01928 (0.004331, 0.03424) a4 = 0.6717 (0.6557, 0.6876) a5 = 0.2323 (0.2304, 0.2341) a6 = -0.01374 (-0.03507, 0.007585)