Green Pump

Verdi-V10

S/N: V10-G6017

MFD: 20120131

Verdi's controller

Model: 0178-281-50

Laser control

Coherent GUI

there exists a , Coherent GUI - AVIA, Verdi, Vitesse and Monaco [1]

How to run program

to operate open the following folder and run interpretor:

root@arina-desktop:~/Verdi/verdi-py/src# python Python 2.7.6 (default, Jun 22 2015, 17:58:13) [GCC 4.8.2] on linux2 Type "help", "copyright", "credits" or "license" for more information.

import classes and commands

>>> import Verdi

initialize laser, choose correct comport

>>> laser=Verdi.verdiLaser("/dev/ttyS0")

run commands

>>> laser.getVanadateServo() 'Locked' >>>

Switch on/off procedure

laser.setPower(1) laser.setShutter(0)

Step #	Frequency	Meaning
1	?	switch stand by -> on position
2	laser.setShutter(1)	Shutter open
3	laser.getVanadateServo()	Wait till everything is locked (Laser and Vanadate)
4	laser.setPower(5)	Set power level 2

Chillers

COM21 -> Verdi Chiller, set temperature is 20 C

COM28 -> MBR chiller, set temperature 18 C

Sample code in interpretator regime:

Useful functions:

setModeStandby()
setModeRun()

Lifetime

Product support stated that expected lifetime is 10.000 (10K) hours, usually they work for 20-25K, once they heard about 100K. Lab C laser (20th of June 2016)

Head [hrs]	Diode 1 [hrs]	Diode 2 [hrs]
5721.67	3541	3541

Lab A Verdi

Head [hrs]	Diode 1 [hrs]	Diode 2 [hrs]
8025	11475	11467

Problems

The Verdi controller switches off by itself, we are still try to figure out why. The associated problems with it: The LBO crystal needs to be maintained at ~147. C, as soon as controller if off the crystal temperature decreases to room temperature. So you should proceed with a cold start and wait until the main screen switches from "System warming up" to "Standby" (20-30 min). Regularily if you wish to switch off the oump laser fully, you will use complete shut-down procedure, where you run LBO cool-down cycle.The company designed specifically slow ...

Date	Time	Comments
4th July 2016	13.09	UPS made a sound, in the wall there was power, controller started to work after we reset the UPS