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Large Energy Laser System

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Expander. Isolator. Space Filter. 10J _at_527nm. Melar20/ns Laser Structure. D40 Amplifier ... Expander. Expander. Rotator. Polarizer. Absorber. HR. Isolator. 30 ... – PowerPoint PPT presentation

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Title: Large Energy Laser System


1
Large Energy Laser System
  • Beamtech Optronics Co., Ltd.

2
Large Energy Laser System Scheme
Laser System
Laser Output
Synchronizer
Power supply Controller
Cooling System
3
Melar20/ns Laser system
Specifications
  • Wavelength 1053nm, 527nm
  • Repetition rate one shot/10minutes
  • Output energy 20J at 1053nm, 10J at 527nm
  • Instability 6-8
  • Beam mode Super Gaussian mode
  • Pulse duration 10-20ns
  • Polarization 100 1
  • Contrast ratio in near field 1.81
  • Beam size D35mm

4
Melar20/ns Laser Optical Design
DPL Osc.
YLF Amplifier
Synchronizer
D20mm Nd Glass Amplifier
D40mm Nd Glass Amplifier
D10mmFR Isolator
5
Melar20/ns Laser Optical Design
DPL Oscillator specifications
  • Output Energy 0.3mJ
  • Repetition rate 1Hz
  • Instability 2
  • Beam size 1mm
  • Beam mode Single longitudinal mode
  • Spatial mode TEM00 (95 fit to Gaussian in the
    near field and far field)

6
Melar20/ns Laser Optical Layout
2J (2.26J/cm2)
20J (2.8J/cm2)
D40 Amplifier 6-lamp Chamber
KDP
D20 Amplifier 4-lamp Chamber
Space Filter
10J _at_527nm
YLF Amplifier
DPL Osc.
Expander
Isolator
10mJ (0.43J/cm2)
7
Melar20/ns Laser Structure
D40 Amplifier Output 20J
Oscillator with DPL
D20 Amplifier
8
Melar20/ns Laser System Outlook
9
Melar20/ns Laser System
1053nm beam pattern _at_20J
527nm beam pattern _at_10J
10
Melar20/ns Laser System Installation on Site
  • Customer Xi'an Institute of Optics and Precision
    Mechanics of CAS
  • Pumping Ti Sapphire

11
Melar300/ns Nd Glass Laser System
Specifications
  • Wavelength 527nm
  • Output beam Two beams
  • Repetition rate once/10-15minutes
  • Output energy 100J
  • Instability 6-8_at_527nm
  • Beam mode Super Gaussian mode
  • Pulse Duration 10-20ns
  • Polarization 100 1
  • Contrast ratio in near field 1.81
  • Beam size D70mm

12
Melar300/ns Laser Optical Design
100J
40J-50J
50J _at_527nm
10J
1st Amp
2nd Amp
D40mm Nd Glass
D60mm Nd Glass
D80mm KDP
D70mm Nd Glass
1J ?9mm
20J
YLF Oscillator
Dual path
40J-50J
100J
50J _at_527nm
1st Amp
2nd Amp
10J
D60mm Nd Glass
D80mm KDP
D70mm Nd Glass
13
Melar300/ns Laser Optical Layout
30HR
YLF Pre-amp
Oscillator
Expander
Expander
Absorber
Isolator
50J at 527nm
Rotator
D70 Amp
D60 Amp
KDP
Dual path D40 Amp
Polarizer
HR
Absorber
D70 Amp
D60 Amp
KDP
50J at 527nm
14
Melar300/ns Laser Structure
D60 Amp
D70 Amp
Dual Path D40 Amp
KDP
Oscillator and Pre-amplifier
15
Melar300/ns Laser System Installation on Site
  • Customer Institute of Physics, CAS
  • Applications Pumping Ti Sapphire
  • Target To output peta watts Ti Sapphire Laser

16
Melar300/ns LaserKey Technologies
  • Oscillator with pre-amplifier
  • Stable spatial mode
  • Stable energy output

Beam distribution
17
Melar300/ns Laser Key Technologies
  • Chamber
  • Uniform pumping
  • High Gain

6-flash lamp Chamber
8-flash lamp Chamber
Small signal gain gt13X
18
Melar300/ns Laser Key Technologies
Anti jamming Trigger signal fiber delivered
Power Supply
Synchronizer
19
Melar300/ns Nd Glass Laser System
1053nm beam pattern _at_106J
527nm beam pattern _at_53J
20
Power supply and Synchronizer
Synchronizer
Power Supply
21
SGR-Extra-10 Laser system
Specifications
  • Wavelength 1064nm
  • Energy 10J
  • Pulse duration 1015ns
  • Repetition rate 1Hz
  • Beam mode Flat-top (VRM and Super multimode
    optional)
  • Instability 5 (Pulse to Pulse)
  • Beam size 16mm
  • Divergence 1.0mrad
  • Pointing stability 50µrad
  • Size 1230mm (L)x350mm (W) x143 mm (H)

22
SGR-Extra-10 Laser Optical Layout
SGR-Extra-10/1Hz
Oscillator
1st Amp Dual Lamp
10J at 1064nm, 1Hz
4th Amp 4-Lamp
3rd Amp 4-Lamp
2nd Amp Dual Lamp
23
SGR-Extra-10 Laser Structure
Oscillator
1st Amp
10J at 1064nm, 1Hz
4th Amp
3rd Amp
2nd Amp
24
SGR-Extra-10 Laser System Outlook
  • Applications
  • Laser peening
  • Material Treatment
  • Optical parts test

25
SGR-Extra-10 Laser System Dimension
Laser Head
  • Dimensions 1230mm (L)x350mm (W) x143 mm (H)

26
SGR-Extra-10 Laser Optical Layout Upgrade to 10Hz
Specifications
  • Wavelength 1064nm
  • Energy per beam 5J
  • Energy after dual beam combined 8J
  • Pulse duration 1015ns
  • Repetition rate 1-10Hz
  • Beam mode Flat-top (VRM and Super multimode
    optional)
  • Instability 5 (Pulse to Pulse)
  • Beam size 35mm
  • Divergence 1.0mrad
  • Pointing stability 50µrad

27
SGR-Extra-10 Laser Optical Layout Upgrade to 10Hz
10J 10Hz
28
SGR-Extra-10 Laser Optical Layout Upgrade to 10Hz
Pre-amp
Faraday Isolator
Oscillator
Main Amplifiers
Combiner
29
SGR-Extra-10 Laser Optical Layout Upgrade to 10Hz
  • Applications
  • Laser peening
  • Material Treatment
  • Optical parts test

30
SGR-Extra-10 Laser Optical Layout Upgrade to 10Hz
Laser Head
  • Dimensions 1480mm (L)x530mm (W) x158 mm (H)
  • Weight 100kg

31
SGR-Extra-25 Laser system
Specifications
  • Wavelength 1064nm
  • Energy 25J
  • Pulse duration 1015ns
  • Repetition rate 1Hz
  • Beam mode Flat-top (VRM and Super multimode
    optional)
  • Instability 5 (Pulse to Pulse)
  • Beam size D33mm
  • Divergence 0.5mrad
  • Pointing stability 50µrad

32
SGR-Extra-25 Laser Optical Layout
SGR-Extra-10/1Hz
Beam shaper
25J at 1064nm, 1Hz
D30 Amp
D35Amp
33
SGR-Extra-25 Laser Structure
Oscillator
3rd Amp
1st Amp
10J 1Hz
4th Amp
SGR-Extra-10
D30 Amp
25J 1Hz
D35 Amp
2nd Amp
34
SGR-Extra-25 Laser System Outlook
  • Applications
  • Laser peening
  • Material Treatment

35
SGR-Extra-25 Laser System Dimension
  • Laser head 1270mm (L)x630mm (W) x214 mm (H)
  • Power supply 1160mm (L)x700mm (W)x1560 mm (H)

36
The End
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