| ID |
Date |
Author |
Status |
Type |
Category |
Location |
Title |
Text |
 |
|
154
|
Tue Aug 30 18:31:49 2022 |
Loïc Amoudry | Fixed | report | lasers and optics | Optical room | Amplifier output power | We checked the Dichroic mirror we have
: it is a DMSP1000 shortpass dichroic mirror
as specified in this post. |
|
|
155
|
Mon Oct 3 18:54:58 2022 |
Ronic Chiche | Fixed | info | lasers and optics | Optical room | 33MHz laser SN2439 back to Orsay | This morning, with Aurélien and
Daniele, we did the swap between the 33MHz
and 133MHz oscillators. |
|
|
156
|
Wed Oct 5 15:51:26 2022 |
Ronic Chiche | Fixed | info | lasers and optics | Optical room | 33MHz laser SN2439 back to Orsay | Yesterday with Aurélien, we try
to make the laser modelock using the Smaract
translation stages embedded inside the laser |
|
|
157
|
Fri Oct 7 17:47:39 2022 |
Ronic Chiche | Fixed | info | lasers and optics | Optical room | 33MHz laser SN2439 back to Orsay | Today, we used an "ELI-NP" Smaract
controller made with these 2 references :
MCS-3CC-ETH-TAB (SN 2271) => main |
|
|
158
|
Thu Oct 13 12:12:49 2022 |
Ronic Chiche | Fixed | info | lasers and optics | Optical room | 33MHz laser SN2439 back to Orsay | Yesterday, we put back the 33MHz oscillator
into the casemate with the new Smaract controller.
after switching ON the laser controller, |
|
|
159
|
Thu Oct 13 12:19:11 2022 |
Ronic Chiche | Fixed | info | lasers and optics | Optical room | 33MHz laser SN2439 back to Orsay | Today, we succeded to make the laser modelock.
the ouptut power is above 35mW (the
powermeter was saturated) |
|
|
198
|
Fri Mar 17 18:54:19 2023 |
Manar Amer | Fixed | report | lasers and optics | Optical room | New Mirrors from LMA _ Images | Today we tested a mirror from one patch
image is for the front face of
the mirror |
|
|
200
|
Mon Mar 20 17:23:09 2023 |
Ronic Chiche | Fixed | info | lasers and optics | Optical room | 33MHz laser SN2439 back to Orsay | As the general local network for the FP-cavity
devices is 192.168.xxx.xxx, I changed the
IP adress of the smaract laser motors (Frep |
|
|
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 |
|
|
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 |
|
|
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 |
|
|
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. |
|
|
253
|
Fri Sep 8 19:35:36 2023 |
Ronic Chiche | Fixed | info | detectors and electronics | Optical room | lock oscillateur 33MHz - synthé 500MHz | this afternoon, I installed the frequency
detection scheme in the bunker :
- I changed the large reflected |
|
|
254
|
Tue Sep 12 17:58:41 2023 |
Ronic Chiche | Fixed | info | detectors and electronics | Optical room | lock oscillateur 33MHz - synthé 500MHz | this afternoon, I tried to lock the FP-cavity
on a local 500MHz synthesizer as a frequency
reference |
|
|
255
|
Wed Sep 13 12:24:14 2023 |
Ronic Chiche | Fixed | info | detectors and electronics | Optical room | lock oscillateur 33MHz - synthé 500MHz | this morning, I added a Thorlabs lowpass
filter at 1kHz after the mixer and a resistor
at the Laselock output to the FP-cavity PZT. |
|
|
256
|
Wed Sep 13 18:33:50 2023 |
Ronic Chiche | Fixed | info | detectors and electronics | Optical room | lock oscillateur 33MHz - synthé 500MHz | this afternoon, I firstly connected the
HV output of the Laselock to the FP-cavity
PZT : https://elog.lal.in2p3.fr/FPC/THOMX+commissioning/248 |
|
|
257
|
Thu Sep 14 19:16:44 2023 |
Ronic Chiche | Fixed | info | detectors and electronics | Optical room | lock oscillateur 33MHz - synthé 500MHz | this afternoon, we were able to lock the
laser on the FP-cavity and the FP-cavity
on the Ring reference oscillator in a same |
|
|
268
|
Wed Sep 20 19:17:44 2023 |
Ronic Chiche | Fixed | info | detectors and electronics | Optical room | lock oscillateur 33MHz - synthé 500MHz | after a sudden FP-cavity Finesse increase,
we had to install the Fast Feedback Loop
in order to continue to lock the cavity. |
|
|
270
|
Fri Sep 22 11:30:28 2023 |
Daniele Nutarelli | Fixed | report | lasers and optics | Optical room | Laser FP operation | This morning FP Laser was operating well
locked at 30 KWatts in stable vay.
There are some fluctuations due |
|
|
323
|
Wed Feb 7 18:33:42 2024 |
Ronic Chiche | Fixed | info | detectors and electronics | Optical room | lock oscillateur 33MHz - synthé 500MHz | This morning with Daniele, we changed the
laser/RF locking scheme :
1) we use the laser 33MHz internal |
|