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Status of commissioning, report also here plots are reports., Page 21 of 23
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ID
Date
Author
Status
Type
Category
Location
Title
Text
54
Tue Sep 3 18:04:03 2019
Ronic Chiche
Fixed
report
lasers and optics
Optical room
Finesse measurement after mirror cleaning using the spin coater
Following finesse measurements (start @10700):
Clean P1 with SC (water) + isoprop
(wipe) finesse @15000
53
Tue Sep 3 17:51:04 2019
Ronic Chiche
Fixed
issue
mechanics | lasers and optics | vacuum
Optical room
Vessel cleanliness
looking in the vessel of the FP cavity
using a UV lamp shows a lot of dust... more
dust than outside the cavity !!!
52
Fri Aug 30 17:52:41 2019
Ronic Chiche
Fixed
issue
mechanics | detectors and electronics
Optical room
Motor issue
Today, Axis 9 (Z-axis of P1) has blocked
the software which drives all the motors.
impossible to bypass the problem.
51
Fri Aug 30 17:46:15 2019
Ronic Chiche
Fixed
report
lasers and optics
Optical room
Finesse measurement after mirror cleaning using the spin coater
today I cleaned S3 with isopropanol and
then with pure water on spin coater.
Finesse is only 10 700.(coupling 50%
50
Fri Aug 30 09:44:56 2019
Ronic Chiche
Fixed
report
lasers and optics
Optical room
Finesse measurement after mirror cleaning using the spin coater
Last Finesse measurement in air : ~ 17
000 the 20th of may (see logbook)
28th and 29th of august, we cleanned,
49
Mon Jul 29 17:15:35 2019
Loïc Amoudry
Fixed
info
mechanics | lasers and optics
Optical room
Spin coater air supply removed and front panel changed
Spin coater firstly needed vacuum and air
supply. The air supply being useless for
our experiments, it has been disabled.
48
Thu Jul 4 18:30:39 2019
Loïc Amoudry
Fixed
report
lasers and optics
Optical room
2nd stage output power validated
Onefive output power : 28mW
Power before fiber injection :
7.8mW
47
Thu Jul 4 18:28:55 2019
Loïc Amoudry
Fixed
issue
lasers and optics
Optical room
Onefive 33MHz unmodelocked
Oscillator randomly unmodelocked on 3rd
july afternoon (during oscillator power
measurement, maybe a reflection from the
46
Thu Jul 4 10:17:46 2019
Ronic Chiche
Fixed
info
detectors and electronics
Optical room
New design for PDH boxes
A new design has been studied for the 5
PDH boxes to better match the low (33MHz)
repetition rate of the ThomX laser.
43
Tue Jun 18 20:44:34 2019
Huan Wang
Fixed
info
lasers and optics
Optical room
telescope for Koheras
telescope of Koheras is removed, information
record here:
- distance between collimator edge
42
Wed Jun 12 17:49:20 2019
Loïc Amoudry
Fixed
info
lasers and optics
Optical room
Polarization
Polariztion measured with Input vertically/horizontally polarized
(~100% DOLP)
- Transmission (P4) locked on cavity
41
Wed Jun 12 12:07:11 2019
Loïc Amoudry
Fixed
report
mechanics | lasers and optics
Other
Amplifier mission Bordeaux
M² mesuré à 10W.
M²x = 1.17
M²y = 1.14
40
Tue Jun 11 18:03:10 2019
Loïc Amoudry
Fixed
report
mechanics | lasers and optics
Other
Amplifier mission Bordeaux
Voyage Bordeaux au CELIA avec Jérôme
LHERMITE (Loïc et Titoutan)
1er jour (34°) :
39
Thu May 23 17:30:03 2019
Loïc Amoudry
Fixed
report
lasers and optics
Optical room
Transmission of Sapphire mirror
See image.
38
Thu May 23 10:10:56 2019
Ronic Chiche
Fixed
report
lasers and optics
Optical room
Finesse measurement by decay time technique
5 Files attached:
- Note on the technique and results
for the present cavity on 2019, May 21th
37
Tue May 21 17:49:30 2019
Loïc Amoudry
Fixed
report
lasers and optics
Optical room
Finesse after cleaning (new suprasil mirror)
15/05/19-20/05/19:
Cleaning of the mirrors:
Initial finesse 14000 @air
36
Tue May 21 17:44:46 2019
Loïc Amoudry
Fixed
report
lasers and optics
Optical room
New Suprasil mirror from LMA
14/05/19:
New Suprasil mirror received. It
will replace the S-BOX suprasil mirror on
35
Thu Apr 18 16:17:53 2019
Loïc Amoudry
Fixed
issue
lasers and optics
Optical room
33MHz Onefive power overtime decrease
Power of the 33MHz Onfive decreases over
time. Have to pay attention to that.
Note that air dryers have never been
34
Thu Apr 18 16:07:23 2019
Loïc Amoudry
Fixed
info
lasers and optics
Optical room
Injection of 33MHz Onefive through fiber
Output power of the Onefive, and power
after injection and different components
have been measured.
33
Wed Apr 10 13:11:46 2019
Loïc Amoudry
Fixed
report
lasers and optics
Optical room
Mirror's cleaning and finesse
Summary of what have been cleaned
the last week:
P1 with isopropanol, finesse 11000
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