slide1 n.
Download
Skip this Video
Loading SlideShow in 5 Seconds..
Laser Head PowerPoint Presentation
Download Presentation
Laser Head

Loading in 2 Seconds...

play fullscreen
1 / 15

Laser Head - PowerPoint PPT Presentation


  • 91 Views
  • Uploaded on

Status of Laser Zentrum Hannover Laser Program for Advanced LIGO Maik Frede , Ralf Wilhelm and Carsten Fallnich Laser Zentrum Hannover LSC March 04 Livingston G040116-00-Z. Laser Head. new mechanical design new fiber bundle implemented pump light homogenization.

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha
Download Presentation

PowerPoint Slideshow about 'Laser Head' - inari


Download Now An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript
slide1

Status of Laser Zentrum Hannover Laser Program for Advanced LIGOMaik Frede, Ralf Wilhelm and Carsten FallnichLaser Zentrum HannoverLSC March 04LivingstonG040116-00-Z

laser head
Laser Head
  • new mechanical design
  • new fiber bundle
  • implemented pump light
  • homogenization
efficiency of bifi compensation
Efficiency of Bifi.- Compensation

 100 % compensation

comparison
Comparison

proof of concept: optimized design:

Output power: 97 W 114,5 W

M2x,y: 1.25 1.05

Birefringence Comp.: 95% 100%

opt. : 25% 25%

Polarization: >100:1 >100:1

4 head ring laser first results output power
4 head ring laserfirst results: output power

250

200

150

output power [W]

100

50

500

600

700

800

900

1000

1100

pump power [W]

 243 W output power with M2 < 3

slide9

4 head ring laserTEM00-operation

 TEM00 operation with M2 < 1.15

slide12

Advanced LIGO integrated front-end

800mW NPRO

12 W GEO 600

design

 12 -14 W single frequency M2 <1.05

slide13

Advanced LIGO high power slave

 213 W output power with M2 < 1.15

summary
summary
  • high power slave-laser
    • output power: 213 W
    • beam quality, M2:< 1.15
    • polarization: > 100:1
    • optical efficiency: 23 %
  • front - end
    • components in place
outlook to do
outlook / to do
  • optimizing the high-power slave resonator
  • finish work on front-end
  •  start injection-locking