Description


Page : 824

Sondrestrom Lidar Operation Log


Operator(s) : J.Jørgensen, E.Guðmundsson
Purpose : Routine data collection
Date(s) : 010625 - 010626
File(s) : L106250 - L106260
Comments :
Logfile : l0106250.log

Setup:0


Page : 825
[Variables]
Dye Power=72mJ
Rayleigh Power=540mJ

[0]
Iris=0.6mm
Rayleigh System=On
Dye System=On
Etalon=Out
Daystar=In
Polarizer=In
HalfWave Plates=Tracking
Rayleigh Filter=2:532(.5nm)
Rayleigh seeding=off

Logsheet:0


Page : 826

Sondrestrom Lidar Operation Log


Log Sheet 1 of 2
Operators : J.Jørgensen, E.Guðmundsson
Date(s) : 010625 - 010625
File(s) : L106250 - L106252
FilesTime [UT]CommentsCntSOpe
L10625011:38:30Start of experiment0JJ
Sodium system running low power to start with ~ 40 mJ1344
L10625011:47:17NLC return ~ 55 Km rayleigh scatter.13850JJ
L10625011:54:14Rayleigh HG adj.16720JJ
L10625012:06:54Rayleigh Convergence mirror adjusted17160EG
L10625012:18:52Rayleigh Convergence mirror adjusted26420EG
L10625012:52:13Sodium system up to 75mJ and tuning at 589.158nm26820EG
L10625012:53:00NLC still present 26820EG
L10625015:12:41Rayleigh Convergence mirror adjusted24850EG
L10625015:45:17Incremented filenumber23980EG
L10625115:46:0924320EG
L10625116:07:27Wawemeter energy was to low, ajusted polarizer to get more 22410EG
energy to the wavemeter. tuned2241
L10625116:37:30Rayleigh HG adjusted22910EG
L10625117:25:39Dye laser YAG HG had drifted du to increased room temp0EG
tweeked only got to 58 mJ.
L10625118:30:33Looks like there is a NLC in the beam now, incremented20640EG
L10625218:31:36counts20110EG
L10625219:09:26Rayleigh HG adjusted18670EG
L10625219:12:11Rayleigh Convergence mirror adjusted17290EG
L10625219:12:18Counts22010EG
L10625219:24:21NLC no longe visible on the raw profile22880EG
L10625219:24:41There is some haze up there attenuating the signal a bit.23420EG
L10625219:31:11NLC back with a vengence Req~50km23600EG

Logsheet:1


Page : 827

Sondrestrom Lidar Operation Log


Log Sheet 2 of 2
Operators : E.Guðmundsson, J.Jørgensen
Date(s) : 010625 - 010626
File(s) : L106252 - L106260
FilesTime [UT]CommentsCntSOpe
L10625219:42:38The layer was decending but is accending now23820EG
L10625220:06:11some thicker clouds moving in attenuating the signal.17320EG
L10625220:42:13NLC no longer visible20400EG
L10625221:16:28Sodium Convergence mirror adjusted22520EG
L10625221:41:54Incremented filenumber20780EG
L10625321:44:56Tuned dye laser to 589.161nm 20640EG
L10625321:48:15Tuned back to 589.158nm20460EG
L10625322:26:11A little sodium visible on the integrated profile now20940JJ
L10625323:48:36Clouds in the way...6290JJ
L10626003:30:36Incremented filenumber18520JJ
L10626003:30:45Weak NLC..0JJ
L10626004:01:00Clouds0JJ
L10626006:06:52End of experiment0JJ