| ID |
Date |
Author |
Status |
Type |
Category |
Location |
Title |
Text |
 |
|
236
|
Tue Sep 5 18:21:12 2023 |
Ronic Chiche | Fixed | info | lasers and optics | ThomX igloo | FP-cavity FSR shift | today, to match the ring frequency at 500.25MHz
(15th laser harmonic), we did a frequency
shift on the laser using the Smaract motors |
|
|
235
|
Tue Sep 5 18:08:39 2023 |
Ronic Chiche | Fixed | info | lasers and optics | ThomX igloo | Equipments shutdown | on the August 30rd and 31th, a global power
shutdown was forseen for ThomX.
to prevent damage on equipments, |
|
|
234
|
Tue Sep 5 17:59:24 2023 |
Ronic Chiche | Fixed | issue | lasers and optics | detectors and electronics | ThomX igloo | work with HV voltage on the Laselock | Yesterday, I checked the 2 output HV channels
of the LaseLock : they work properly but
the noise is bigger than the low voltage |
|
|
233
|
Wed Aug 2 13:13:52 2023 |
Ronic Chiche | Fixed | issue | lasers and optics | detectors and electronics | ThomX igloo | work with HV voltage on the Laselock | presently, the voltage on the laser PZT
is 0-10V, but during the several runs we
did, this voltage is too low to compensate |
|
|
232
|
Wed Aug 2 13:07:59 2023 |
Ronic Chiche | Not Fixed | issue | detectors and electronics | ThomX igloo | ThomX ring injection kicker noise => USB communication issue with Alphanov amplifier | several times already, when the electrons
ring injection kicker is running @10Hz, we
observed peaks at the same frequency on reflected |
|
|
252
|
Wed Aug 2 11:38:20 2023 |
Ronic Chiche | Fixed | info | detectors and electronics | Optical room | lock oscillateur 33MHz - synthé 500MHz | Today, I connected the BNC-DB9 female prolongator
cable to the FP-cavity PZT cable (DB9-DB9)
and to the channel B of the Laselock. |
|
|
251
|
Mon Jul 31 19:17:40 2023 |
Ronic Chiche | Fixed | info | detectors and electronics | Optical room | lock oscillateur 33MHz - synthé 500MHz | Today, I installed a DB9-DB9 female-male
cable on the PZT connector of the FP-cavity.
the PZT is connected between pins |
|
|
250
|
Fri Jul 28 13:19:22 2023 |
Ronic Chiche | Fixed | info | detectors and electronics | Optical room | lock oscillateur 33MHz - synthé 500MHz |
régler le problème
1:
Kevin m'a apporté un déphaseur |
|
|
249
|
Thu Jul 27 18:47:57 2023 |
Ronic Chiche | Fixed | info | detectors and electronics | Optical room | lock oscillateur 33MHz - synthé 500MHz | pour préparer le lock cavité-anneau,
j'ai un setup de lock en salle optique
entre le laser OneFive 133MHz et un synthé |
|
|
227
|
Wed Jul 26 14:49:41 2023 |
Ronic Chiche | Fixed | info | lasers and optics | ThomX igloo | 33MHz oscillator + Alphanov amplifier lock | Today, we locked the cavity with input
power @ 30% for the amp => we got 40kW
with only 30% of coupling (and a bad lock |
|
|
226
|
Wed Jun 28 19:07:42 2023 |
Ronic Chiche | Fixed | issue | lasers and optics | ThomX igloo | Incoming laser beam power issue | today, we observed on the photodiode used
in reflexion of the cavity, that its voltage
level stops increasing after 50% of power |
|
|
225
|
Wed Jun 28 19:01:03 2023 |
Ronic Chiche | Fixed | info | lasers and optics | ThomX igloo | First X rays and FP-cavity mode and electron beam waists size @ IP | on friday 23/06 afternoon, after scanning
the hexapod z-axis, we observed a cut of
the power stored in the FP-cavity (with constant |
|
|
224
|
Thu Jun 22 20:20:03 2023 |
Ronic Chiche | Fixed | info | lasers and optics | ThomX igloo | 33MHz oscillator + Alphanov amplifier lock | we checked yesterday morning the real input
power @ 30% for the amp => it is 16W in
agreement with the previously measured values |
|
|
223
|
Tue Jun 20 19:08:17 2023 |
Ronic Chiche | Fixed | info | lasers and optics | ThomX igloo | 33MHz oscillator + Alphanov amplifier lock | I checked with the Matlab code below the
CEP detuning effect (2nm sech² spectrum...
not exactly the same as in ThomX) |
|
|
222
|
Tue Jun 20 18:45:10 2023 |
Ronic Chiche | Fixed | info | lasers and optics | ThomX igloo | 33MHz oscillator + Alphanov amplifier lock | this morning, I tested the laser+amplifier
@ 30% lock on the FP cavity with and without
Smaract motors. |
|
|
221
|
Mon Jun 19 16:08:15 2023 |
Manar Amer | Fixed | report | lasers and optics | detectors and electronics | cabling | software | ThomX igloo | Cavity Lock - Alphanov Amplifier | The computer is possible to connect from
the control room,
we are able to run remotely the |
|
|
220
|
Fri Jun 9 19:51:43 2023 |
Manar Amer | Fixed | report | lasers and optics | detectors and electronics | cabling | software | ThomX igloo | Cavity Lock - Alphanov Amplifier | In the morning, we locked on the first
resonance. With an increase on the amplifier
power @ 20-25% and 30%, which reduced the |
|
|
219
|
Thu Jun 8 11:12:20 2023 |
Ronic Chiche | Fixed | info | lasers and optics | ThomX igloo | 33MHz oscillator + Alphanov amplifier lock | After removing the 2 generators from the
optical table, the lock is much more stable
and now, it is possible to lock on the main |
|
|
218
|
Wed Jun 7 21:46:50 2023 |
Manar Amer | Fixed | report | lasers and optics | detectors and electronics | cabling | software | ThomX igloo | Cavity Lock - Alphanov Amplifier | Today with Ronic,
starting with major events that
happened (Water circulation + ThomX valves |
|
|
217
|
Tue Jun 6 15:52:59 2023 |
Ronic Chiche | Fixed | info | lasers and optics | ThomX igloo | 33MHz oscillator + Alphanov amplifier lock | today with Daniele, we locked easily (but
with a noisy lock) on the secundary resonance
and we tried to lock on the main resonance |
|