| ID |
Date |
Author |
Status |
Type |
Category |
Location |
Title |
Text |
 |
|
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 |
|
|
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 |
|
|
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 |
|
|
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 |
|
|
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. |
|
|
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) |
|
|
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 |
|
|
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 |
|
|
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 |
|
|
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 |
|
|
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 |
|
|
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 |
|
|
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 |
|
|
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, |
|
|
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 |
|
|
237
|
Wed Sep 6 19:57:48 2023 |
Ronic Chiche | Fixed | info | lasers and optics | detectors and electronics | ThomX igloo | Fast feedback loop between laser and FP cavity | today, we tried to lock the FP cavity with
the Smaract motors ON (with option -LV).
we know the Smaract controllers produce |
|
|
238
|
Wed Sep 6 20:09:56 2023 |
Ronic Chiche | Fixed | info | lasers and optics | ThomX igloo | Smaract controller remplacement | previously, we were using a spare Smaract
MCS controller to drive the Onefive linear
stages (without -LV -low vibration- |
|
|
239
|
Thu Sep 7 18:51:43 2023 |
Ronic Chiche | Fixed | issue | lasers and optics | ThomX igloo | Onefive laser modelock and Smaract CEP controller | today, during an attempt in improving the
CEP with the Smaract controller CH2, we lost
the laser modelock. |
|
|
240
|
Thu Sep 7 19:23:36 2023 |
Ronic Chiche | Fixed | info | lasers and optics | detectors and electronics | ThomX igloo | Fast feedback loop between laser and FP cavity | today, after the several unsuccessful attempt
yesterday to get an improvement in the lock,
we decided to "rebuild" |
|
|
241
|
Fri Sep 8 12:43:04 2023 |
Ronic Chiche | Fixed | info | mechanics | lasers and optics | detectors and electronics | ThomX igloo | Removing high order modes | this morning we locked the laser and the
FP-cavity with ~ 40kW => some HOM appeared
"randomly" depending on the power. |
|