The first column is distance from the front face of the laser in cm.
The second column is beam diameter in the horizontal direction in microns.
The third column is the beam diameter in the vertical direction in microns.
The fire alarm test was completed at 13:30 yesterday.
I updated the 40M Emergency Calling List by replacing Rob by Yoichy. The calling order: Vass, Aso and Taylor.
Rana and Yoichy were added to the "Registered PSL Operator List" and posted it in the lab. (not in the document, that should be up dated)
We are getting ready for the annual safety audit. It will be held next week at 14:00 Friday, Feb 13, 2009
Please participate in the preparation by correcting it or just tell me.
Rod Luna is organizing the pick up of the following old equipment:
HP laser jet 5000n, 3 of 19" 10 base-T network ports and 4 small hubs,
2 Sun monitors, 1 Viewsonic monitor, 7 keypads and
Hitachi scopes 2 of V-355, 2 of V-422, 1 of V-202 and 1 of V-6165
MOPAs and their settings, powers of 7 years in the 40m
I have been getting ready for the annual safety inspection in the past 2-3 days.
Osamu and Kiwamu received 40m safety training on Thursday, Feb 19, 2009
The spare M126N-1064-700, sn 5519 of Dec 2006 rebuilt NPRO's power output
measured 750mW at DC2.06A with Ohpir meter.
Alberto's controller unit 125/126-OPN-PS, sn516m was disconnected from lenght measurment NPRO on the AP table.
5519 NPRO was clamp to the optical table without heatsink and it was on for 15 minutes.
The outside particle counts for 0.5 micron are 3 million this morning at 9am. Low clouds, foggy condition with low inversion layer.
This makes the 40m lab 30-50K
I just turned on the HEPA filter at the PSL enclosure.
Please, leave it on high
CES Mezzanine is beeing rebuilt to accommodate our new neighbor: the 20ft high water slide...& .jacuzzi
All our ac power transformers are up there. Yesterday we labelled the power switch of 480VAC on the mezz
that we need to keep to run the 3 cranes in the lab.
SRM, ITMX, ETMX, ITMY and ETMY lost damping at 4:55am this morning from 4.8 magnitude earthquake.
Their damping were restored.
C1:SUS-ITMX_URSEN_OUTPUT swich was found in off position. It was turned on.
MZehnder and MC were locked.
The WFS qpd spot needs recentering
SUS-MC1_SENSOR_SIDE and SUS-MC2_SENSOR_UL are glitching
Yesterday's 4.8mag earthquake at Salton Sea is shown on Channel 1
ETMY sus damping was found to be tripped.
It was retored.
All fluorecent light were turned off. Please try to conserve some energy.
Eric Gustafson is handling the old HP4291A rehabilitation. Tarac picked both units up today.
March of 2008 Tucker Electronics failed to fix it's intermittent ~25MHz 0.5V oscillation at the swept sine output
See 40m-elog id:398 on 3-24-2008 by Rob Ward
The Caltech gasoline storage tank is being upgraded.
They are jack hammering and digging with bulldozer 50 yards south of ETMY