| ID |
Date |
Author |
Status |
Type |
Category |
Location |
Title |
Text |
 |
|
56
|
Thu Feb 6 11:01:08 2020 |
Ronic Chiche | Fixed | report | lasers and optics | Optical room | analysis of stored and reflected power | with this Finesse around 22-23k, the technique
comparing TRANSMISSION and REFLECTION signals
doesn't work, even in taking into account |
|
|
62
|
Tue Jan 12 10:44:57 2021 |
Ronic Chiche | Fixed | issue | lasers and optics | Optical room | Origami SN2440 133MHz laser power measurment... and failure | we received from NKT the Origami SN2440
133MHz oscillator from repair on 2020/12/17
and we measured the power trend from |
|
|
63
|
Thu Jun 10 17:55:15 2021 |
Ronic Chiche | Fixed | info | lasers and optics | Optical room | Origami SN2440 133MHz laser tests | Today, we received the Origami SN2440 133MHz
oscillator from repair (NKT mentioned a defective
wire inside the controller....) |
|
|
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. |
|
|
126
|
Thu Aug 11 19:27:09 2022 |
Ronic Chiche | Fixed | info | lasers and optics | detectors and electronics | Optical room | Koheras CW laser lock on FP cavity | I locked the Koheras CW on the FP cavity
but the lock was pretty noisy and very difficult
to acquire. |
|
|
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 |
|
|
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 |
|
|
140
|
Wed Aug 31 18:14:51 2022 |
Ronic Chiche | Fixed | info | lasers and optics | Optical room | 2nd stage CELIA amplifier | today we did several test with the Dichroic
shortpass mirror (Thorlabs DMSP1000) and
with a 10nm optical filter around 1030nm |
|
|
144
|
Tue Sep 6 17:47:40 2022 |
Ronic Chiche | Fixed | issue | lasers and optics | Optical room | unsuccessful telescope design :-( | we wanted to calculate the right telescope
with 2 spherical lenses.
1) we have the FP cavity mode size |
|
|
156
|
Fri Sep 9 18:35:07 2022 |
Ronic Chiche | Fixed | info | mechanics | lasers and optics | detectors and electronics | Optical room | D-shape mirrors positionning status | This afternoon we opened the cavity and
put the D-shape mirrors at their correct
place, close to the beam. |
|
|
157
|
Fri Sep 9 19:03:58 2022 |
Ronic Chiche | Fixed | info | mechanics | lasers and optics | detectors and electronics | Optical room | D-shape mirrors positionning status | The cavity box is vacuum pumped at 6*10^-2
mbar.
|
|
|
173
|
Fri Jan 6 12:33:18 2023 |
Ronic Chiche | Fixed | info | lasers and optics | Optical room | Laser Menhir reinstallation + CVBG + fiber injection | The lab purchased the Menhir laser @ 216MHz.
it has been sent back to Menhir
photonics for inspection, and then is now |
|
|
174
|
Thu Dec 7 09:09:27 2023 |
Ronic Chiche | Fixed | info | lasers and optics | ThomX igloo | New mirrors batch informations | the 2 files describe the specfications
for the 16 mirrors ordered (4 for ThomX +
spare, 4 for SBOX + spare) and the measurements |
|
|
175
|
Thu Dec 7 09:30:03 2023 |
Ronic Chiche | Fixed | info | mechanics | lasers and optics | detectors and electronics | software | Optical room | new setup for the 160MHz Menhir oscillator | from the begining of the week, Xinyi, Aurélien,
Viktor and myself started to install a new
setup for the Menhir 160MHz oscillator. |
|
|
195
|
Wed Feb 28 17:26:46 2024 |
Ronic Chiche | Fixed | info | lasers and optics | software | Optical room | 100W CELIA laser amplifier "how's to" document | 1st version of the document.
if some information is not correct
or missing, give any comment by replying |
|
|
207
|
Fri Mar 29 16:23:34 2024 |
Ronic Chiche | Fixed | info | lasers and optics | detectors and electronics | Optical room | 100W CELIA laser amplifier "Power vs Pump current" curve | We measured again the 100W CELIA laser
amplifier with a pump current until 8A.
as the first current pump of the |
|
|
223
|
Wed Jun 19 10:38:00 2024 |
Ronic Chiche | Fixed | info | mechanics | lasers and optics | detectors and electronics | Optical room | D-shape mirrors positionning status | summary:
- the motors used to move the D-shape
are the Newport Picomotors 8303-V |
|