| ID |
Date |
Author |
Status |
Type |
Category |
Location |
Title |
Text |
 |
|
81
|
Wed Apr 27 22:13:37 2022 |
Manar Amer | Fixed | report | lasers and optics | Optical room | SBox Alignment | Finished the alignment of the SBox with
M1 of SBox placed, to be changed to gamma
factory mirror later |
|
|
82
|
Wed Apr 27 22:30:14 2022 |
Manar Amer | Fixed | report | lasers and optics | utilities | Optical room | Spincoater - Mirrror cleaning | Images of the SBox mirrors cleaned at the
same time when the cavity was aligned.
Directly from the spincoater to |
|
|
83
|
Mon May 9 18:36:48 2022 |
Manar Amer | Fixed | report | lasers and optics | Optical room | SBox Alignment | Last week In FP cavity we had all SBox
mirrors including the damaged M1 mirror.
The beating was observed with just |
|
|
84
|
Mon May 9 19:05:35 2022 |
Manar Amer | Fixed | report | lasers and optics | Optical room | SBox Alignment | Today; replaced the M1 SBox mirror with
M1 from gamma factory , following the previous
alignment. |
|
|
85
|
Mon May 9 19:27:35 2022 |
Manar Amer | Fixed | report | lasers and optics | utilities | Optical room | Spincoater - Mirrror cleaning | PowerPoint shows the detailed images of
all the mirrors before and after cleaning.
Images of SBox mirrors and M1 from |
|
|
86
|
Wed May 11 09:19:48 2022 |
Manar Amer | Fixed | report | lasers and optics | Optical room | SBox Alignment | Yesterday, to find the source of why the
mode is deformed, I tried to rotate the mirrors
to see if there is a change. |
|
|
87
|
Wed May 11 20:51:28 2022 |
Manar Amer | Fixed | report | lasers and optics | utilities | Optical room | Spincoater - Mirrror cleaning | Following the observation that when rotating
M2 plan mirror of SBox the deformation position
of the mode changes. |
|
|
88
|
Wed May 11 21:10:27 2022 |
Manar Amer | Fixed | report | lasers and optics | Optical room | SBox Alignment | M2 Sbox changed to spare. Alignment of
M2 was redone.
With the help of Ronic , We observe |
|
|
89
|
Tue May 24 21:51:01 2022 |
Manar Amer | Fixed | report | lasers and optics | utilities | Optical room | Spincoater - Mirrror cleaning | While repeating the alignment, the mirrors
were cleaned using the spin-coater and placed
again. |
|
|
90
|
Tue May 24 22:05:48 2022 |
Manar Amer | Fixed | report | lasers and optics | Optical room | SBox Alignment | The external and internal alignment was
redone.
External Alignment : the collimator |
7x |
|
91
|
Tue May 24 22:11:40 2022 |
Manar Amer | Fixed | report | lasers and optics | Optical room | Fundamental Mode TEM00 | The current setup for the SBox has a beam
viewer and 2 photodiodes placed at reflection
and transmission. |
|
|
92
|
Wed May 25 17:34:29 2022 |
Manar Amer | Fixed | report | lasers and optics | Optical room | Fundamental Mode TEM00 | Adding images from the transmission after
the spherical mirrors M3 and M4 window for
a resonating mode inside the cavity. |
|
|
93
|
Wed Jun 8 10:47:45 2022 |
Manar Amer | Fixed | report | lasers and optics | Optical room | SBox Alignment | Closing Series for Alignment.
Beating observed, beam is in the
locking stages |
|
|
94
|
Wed Jun 8 10:58:15 2022 |
Manar Amer | Fixed | report | lasers and optics | Optical room | Fundamental Mode TEM00 | Images of the Transmitted beam at M2 mirror
at different days.
The first one was from last week, |
|
|
95
|
Wed Jun 8 11:10:17 2022 |
Manar Amer | Fixed | report | lasers and optics | detectors and electronics | software | Optical room | Cavity Lock | Start with the cavity lock images attached,
taken from last week, at
start we have a coupling ~ 5% and started |
|
|
96
|
Wed Jun 8 11:24:35 2022 |
Manar Amer | Fixed | report | lasers and optics | Optical room | Telescope - Spacial Matching | Divergence of the CW beam out of the collimator
measured after 1 meter to be
2 |
|
|
97
|
Wed Jun 8 11:31:47 2022 |
Manar Amer | Fixed | report | lasers and optics | detectors and electronics | software | Optical room | Cavity Lock | Current setup at SBox for locking the cavity
After spacial matching, the coupling
increased to ~ 15 - 20 % |
|
|
98
|
Thu Jun 9 19:59:42 2022 |
Manar Amer | Fixed | report | lasers and optics | detectors and electronics | software | Optical room | Cavity Lock | Cavity locked today under vacuum and no
airflow, it is stable over a long time
the alignment was improved and |
|
|
99
|
Tue Jun 21 23:52:28 2022 |
Manar Amer | Fixed | report | mechanics | lasers and optics | detectors and electronics | Optical room | Menhir Pulsed Laser | The SBox Length (FSR), was changed to match
the repetition rate of the Menhir
pulsed laser Frep = 216.6625 MHz |
|
|
100
|
Mon Jun 27 08:52:46 2022 |
Manar Amer | Fixed | report | lasers and optics | vacuum | Optical room | SBox Finesse at 216.6625 MHz | The Sbox currently has the injection from
ThomX installed T ~ 120 ppm , M2 planar from
Sbox spare and M3 / M4 spherical mirrors |
|