| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
1121
|
Fri Nov 7 10:52:57 2008 |
steve | Update | PEM | AC is back on | The 20 minutes and 6 sec thumps are not related
to the 40m ac units
This period is precisely right on so it is |
|
|
1123
|
Fri Nov 7 16:05:55 2008 |
steve | Bureaucracy | SAFETY | insect killer sprayed at kitchen area ! |
Bob and I cleaned out the sink area and sprayed
Spectracide's BUG STOP insect killer solution |
|
|
1127
|
Mon Nov 10 16:44:14 2008 |
steve | Update | PEM | particle counter at MC2 | The particle counter was moved to MC2 table
temporarily.
It is clamped to the table at the south west |
|
|
1129
|
Mon Nov 10 19:39:40 2008 |
steve | Update | PEM | thump noise from particle counter | The particle counter is back on the IOOC location
on a piece of FOAM
It needs this isolation, so when the pump |
|
|
1134
|
Fri Nov 14 11:33:19 2008 |
steve | Update | VAC | SRS-RGA installed | Old Dycor rga is removed and new SRS-RGA200
installed.
It is pumped down and ready for hooking up |
|
|
1149
|
Thu Nov 20 09:37:39 2008 |
steve | Update | PSL | MZ vs temp | This 12 days plot shows that it can hold lock
if the daily temp variation is not more than
3/4 of a degree C
|
|
|
1197
|
Fri Dec 19 16:38:09 2008 |
steve | Update | LSC | all optlevs centered | All optlevs were centered after full alignment.
Qpd sums are:
|
|
|
1199
|
Sun Dec 21 13:00:06 2008 |
steve | Update | all down cond. | vac and laser back on | There was a power outage sometimes early Saturday.
All things are down.
|
|
|
1219
|
Fri Jan 9 09:14:17 2009 |
steve | Update | PEM | ifo is recovered after eq | There is no obvious damage from last night
earth quake.
All sus dampings were turned on, MC locked |
|
|
1220
|
Fri Jan 9 16:52:18 2009 |
steve | Update | VAC | tp3 forline pump replaced | Alberto took 40m vacuum 101 class as we replaced
the drypump at the annulus pump line.
|
|
|
1226
|
Wed Jan 14 09:22:43 2009 |
steve | HowTo | VAC | N2 supply pressure lowered for vac valves | [quote]I've been replacing the N2 bottles
recently.
I noticed that the consumption is too high. |
|
|
1227
|
Wed Jan 14 10:59:06 2009 |
steve | Bureaucracy | VAC | rga waiting to be "connected" | We have no RGA data since old Dycor passed
away in the middle of Oct, 2008
New SRS-RGA200 was installed on the vac envelope |
|
|
1228
|
Wed Jan 14 15:53:32 2009 |
steve | DAQ | PSL | MC temperature sensor | [quote]I added a channel for the temperature
sensor on the MC1/MC3 chamber: C1:PSL-MC_TEMP_SEN.
To do that I had to reboot the frame builder. |
|
|
1229
|
Thu Jan 15 09:19:32 2009 |
steve | Update | IOO | MC locking | MC2 sus damping was found tripped at the morning
the second time this week.
|
|
|
1243
|
Thu Jan 22 08:34:10 2009 |
steve | Bureaucracy | SAFETY | safety training | Kakeru received 40m safety training yesterday.
He has no authorization to work alone in |
|
|
1248
|
Fri Jan 23 10:00:21 2009 |
steve | Update | PSL | PMC transmission is down | The PMC transmission is going down.
I have not relocked the PMC yet. |
|
|
1273
|
Thu Feb 5 09:12:29 2009 |
steve | Bureaucracy | SAFETY | safety updates & fire alarm test | The fire alarm test was completed at 13:30
yesterday.
|
|
|
1280
|
Fri Feb 6 14:49:31 2009 |
steve | Summary | SAFETY | laser inventory |
40M Laser Inventory at Feb 05,
2009
1, Lightwave PA#102 @ 77,910 |
|
|
1282
|
Fri Feb 6 16:23:54 2009 |
steve | Update | MOPA | MOPAs of 7 years | MOPAs and their settings, powers of 7 years
in the 40m |
|
|
1288
|
Tue Feb 10 10:48:48 2009 |
steve | Bureaucracy | SAFETY | safety glasses scanned | All 40m safety glasses are absorbent.
They
were scanned by 180 mW 2mm spot size
of 1064 nm beam and their transmissions |
|
|
1293
|
Wed Feb 11 11:39:17 2009 |
steve | Configuration | General | vac envelope ground | The vacuum envelope was grounded from
the IOO chamber to master ground north (under
electric breaker panel L)
with |
|
|
1300
|
Fri Feb 13 08:38:03 2009 |
steve | Update | IOO | MC2 damping restored | |
|
|
1302
|
Fri Feb 13 16:30:49 2009 |
steve | Configuration | General | status quo is disturbed | I have been getting ready for the annual
safety inspection in the past 2-3 days.
Meaning cleaning up and disturbing |
|
|
1319
|
Wed Feb 18 15:31:38 2009 |
steve | Bureaucracy | SAFETY | emergency back-up lights checked | All
13 exit and emergency back-up lights
and their batteries were checked.
|
|
|
1324
|
Thu Feb 19 11:51:56 2009 |
steve | Update | MOPA | HTEMP variation is too much | The C1:PSL-MOPA_HTEMP variation is more
than 0.5 C daily
Normally this
temp stays well within 0.1 C
This |
|
|
1332
|
Mon Feb 23 11:07:01 2009 |
steve | Bureaucracy | SAFETY | Kiwamu receives safety training | Osamu and Kiwamu received 40m safety training
on Thursday, Feb 19, 2009
Kiwamu needs Osamu's close supervision |
|
|
1347
|
Tue Mar 3 08:44:31 2009 |
steve | Update | PEM | air cond. maintenance today | IFO room 104 air conditions will be shut
down for maintenance today.
This
should be finished by noon.
The |
|
|
1387
|
Wed Mar 11 16:41:22 2009 |
steve | Update | MOPA | spare NPRO power | The spare M126N-1064-700, sn 5519
of Dec 2006 rebuilt NPRO's power output
measured 750mW |
|
|
1411
|
Fri Mar 20 11:01:02 2009 |
steve | Update | PEM | particle counts are high | The outside particle counts for 0.5 micron
are 3 million this morning at 9am. Low clouds,
foggy condition with low inversion layer. |
|
|
1414
|
Fri Mar 20 15:54:29 2009 |
steve | Omnistructure | General | 480V crane power switch on MEZ | CES Mezzanine is beeing rebuilt to accommodate
our new neighbor: the 20ft high water slide...&
.jacuzzi |
|
|
1420
|
Tue Mar 24 09:04:02 2009 |
steve | Update | SUS | 4.8 mag earthquake | SRM, ITMX, ETMX, ITMY and ETMY lost damping
at 4:55am this morning from 4.8 magnitude
earthquake. |
|
|
1427
|
Wed Mar 25 09:55:45 2009 |
steve | Update | IOO | glitching sensors of MC | SUS-MC1_SENSOR_SIDE and SUS-MC2_SENSOR_UL
are glitching
Yesterday's 4.8mag earthquake at |
|
|
1439
|
Sun Mar 29 13:44:27 2009 |
steve | Update | SUS | ETMY sus damping restored | ETMY sus damping was found to be tripped.
It was retored.
All fluorecent light were turned |
|
|
1445
|
Mon Mar 30 15:51:27 2009 |
steve | Update | Electronics | HP4291A left the lab to be repaired | Eric Gustafson is handling the old HP4291A
rehabilitation. Tarac picked both units up
today. |
|
|
1447
|
Tue Mar 31 09:42:32 2009 |
steve | Update | PEM | ETMY sus damping restored again | The Caltech gasoline storage tank is being
upgraded.
They are jack hammering and digging |
|
|
1448
|
Wed Apr 1 10:22:13 2009 |
steve | Update | VAC | RGA logging is working | Thanks to Joe B who made the SRS RGA working
with linux
Last data file logged at 2008 Oct |
|
|
1452
|
Fri Apr 3 10:01:50 2009 |
steve | Update | VAC | rgascan with temp plot | Rga scan of day 231 since pumpdown pd66-m-d231
m stands for maglev pumping speed,
vacuum normal condition of valves, |
|
|
1459
|
Wed Apr 8 09:36:20 2009 |
steve | Configuration | VAC | valve condition changed to BG to calibrate the RGA | Vacuum
normal valve condition was changed to accommodate
SRS-RGA calibration. |
|
|
1462
|
Thu Apr 9 11:27:19 2009 |
steve | Update | VAC | vac gauge reading problem | Cold cathode gauge CC4 is reading
normal.
CC1 is glitching, it is probably |
|
|
1477
|
Mon Apr 13 08:59:57 2009 |
steve | Update | PSL | mixers on order | [quote][quote]
I then changed the RF Output Adjust slider
in increments of 0.5, and measured the peak-to-peak |
|
|
1486
|
Wed Apr 15 11:25:21 2009 |
steve | Configuration | VAC | RGA cal completed |
|
|
|
1506
|
Tue Apr 21 18:18:27 2009 |
steve | Update | VAC | maglev failed | Our Osaka TG360MB maglev failed with CSB
error message. This means that the dry emergency
landing bearing has to be replaced. |
|
|
1507
|
Wed Apr 22 11:16:26 2009 |
steve | Configuration | VAC | Cryo pump is ON and the Maglev is dead | The
CRYO pump cooled down and VC1 was opened.
This |
|
|
1511
|
Thu Apr 23 16:38:33 2009 |
steve | Update | VAC | vac valve relay box is shorting | Ben and I found this vacuum valve relay
box intermittently shorthing yesterday.
It effects V4, V5, VA6 and VM1........ |
|
|
1517
|
Fri Apr 24 16:02:31 2009 |
steve | HowTo | VAC | cryo pump interlock rule | I tested the cryopump interlock today.
It is touchy. I do not have full confidence
in it. |
|
|
1524
|
Mon Apr 27 18:31:44 2009 |
steve | Configuration | VAC | VC1 closed | CC1 5e-7 Torr, VC1 closed at 18:25,
IFO is not pumped, RGA is in bg-mode
|
|
|
1527
|
Tue Apr 28 09:27:32 2009 |
steve | Configuration | VAC | cryopump deserves some credit | Congratulation Yoichi and Peter for full
rf locking at night. Let's remember that
the cryopump was shaking the hole vac envelope |
|
|
1532
|
Wed Apr 29 10:20:14 2009 |
steve | HowTo | VAC | cryo pump interlock rule is waved |
|
|
|
1542
|
Mon May 4 10:38:52 2009 |
steve | Update | MOPA | laser power is dropped | As PSL-126MOPA_DTEC went up, the power
out put went down yesterday |
|
|
1547
|
Tue May 5 10:42:18 2009 |
steve | Update | MOPA | laser power is back |
|
|