| ID |
Date |
Author |
Status |
Type |
Category |
Location |
Title |
Text |
 |
|
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, |
 |
|
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 |
|
|
102
|
Wed Jul 6 18:35:38 2022 |
Manar Amer | Fixed | report | lasers and optics | Optical room | Fundamental Mode TEM00 | Closing series of 00 mode for FSR @ 133.33
MHz
|
|
|
103
|
Wed Jul 6 18:37:02 2022 |
Manar Amer | Fixed | report | lasers and optics | Optical room | Divergence of the CW beam after collimator | Closing the series of the telescope for
the beam @ 133.33 MHz
|
|
|
107
|
Fri Jul 8 17:09:26 2022 |
Manar Amer | Fixed | report | lasers and optics | Optical room | Images of ThomX mirrors | Under the microscope,
the spherical mirrors show the
deposit of metal dots on the reflecting surface |
  |
|
108
|
Fri Jul 8 17:10:44 2022 |
Manar Amer | Fixed | report | lasers and optics | Optical room | Images of ThomX mirrors | Mirror images in the previous log showing
the metal deposit of the coating of the spherical
mirrors |
|
|
123
|
Mon Aug 8 17:58:32 2022 |
Ronic Chiche | Fixed | info | lasers and optics | Optical room | Pulse duration measurement before and after CVBG (as a strecher) | I recorded the pulse shape of the MENHIR
216MHz in its fiber injection setup.
the fiber is then connected to the |
  |
|
124
|
Wed Aug 10 12:51:16 2022 |
Ronic Chiche | Fixed | report | lasers and optics | Optical room | "ThomX" CELIA Amplifier commissionning | The "ThomX" CELIA amplifier is
installed on the optical table.
I added all the rubber pieces available |
|
|
125
|
Thu Aug 11 12:11:48 2022 |
Ronic Chiche | Fixed | report | lasers and optics | Optical room | "ThomX" CELIA Amplifier commissionning | Beam size at the amplifier output:
to make this measurement, I switched
ON only 1st and 2nd stage. |
 |
|
127
|
Fri Aug 12 11:46:17 2022 |
Ronic Chiche | Fixed | info | lasers and optics | Optical room | OEwaves lock and Finesse measurement | this morning, I locked the FP cavity with
the OEwaves CW laser and the "Fred fiber
amplifier" used at 500mA of pump current. |
|
|
128
|
Fri Aug 12 17:48:28 2022 |
Ronic Chiche | Fixed | report | lasers and optics | Optical room | "ThomX" CELIA Amplifier commissionning | this afternoon, with Fabian, we did some
measurements on the 3rd stage.
finally we |
|
|
132
|
Fri Aug 19 16:31:11 2022 |
Manar Amer | Fixed | report | lasers and optics | Optical room | Amplifier output Beam Profile | In preparation to measure the output beam
profile from the amplifier at high power,
I have placed two wedge mirrors just before |
|
|
133
|
Fri Aug 19 16:36:18 2022 |
Manar Amer | Fixed | report | lasers and optics | Optical room | Telescope / amplifier output | The previous Sbox telescope was dismantled
and the mechanical components cleaned.
its lenses are still in the mounts, |
|
|
134
|
Mon Aug 22 18:38:03 2022 |
Manar Amer | Fixed | report | lasers and optics | Optical room | Telescope / amplifier output | Beam divergence was measured using a method
called "Focal |
  |
|
135
|
Mon Aug 22 18:39:13 2022 |
Manar Amer | Fixed | report | lasers and optics | Optical room | Amplifier output Beam Profile | Beam divergence after amplifier 4.46 mrad
|
|
|
136
|
Tue Aug 23 17:37:38 2022 |
Manar Amer | Fixed | report | lasers and optics | Optical room | Telescope / amplifier output | I placed a periscope to adjust the high
of the beam from the amplifier output from
~ 10 cm from the table to ~ 15 cm |
|
|
137
|
Wed Aug 24 10:39:58 2022 |
Manar Amer | Fixed | report | lasers and optics | Optical room | Telescope / amplifier output | Here is a view of beam propagation in the
optical software : GaussianBeam
the red filled shape is the model |
 |
|
138
|
Wed Aug 24 10:45:24 2022 |
Manar Amer | Fixed | report | lasers and optics | Optical room | 2 Mirror Setup @ 216.6 MHz | Adding information about the 2 mirror cavity
setup (plan - spherical)
that is currently installed. |
 |
|
139
|
Tue Aug 30 17:48:39 2022 |
Ronic Chiche | Fixed | info | lasers and optics | Optical room | 2nd stage CELIA amplifier | today, we measured the 2nd stage CELIA
amplifier pump wavelength : 970-990 nm |
|