+7(812) 323-19-08
 los_spb@mail.ru

Laser sources on the base of erbium glass and neodymium ions’ doped crystals are developed for the use in advanced range-finding, lidar and radar systems. 

The design concept provides high accuracy measurements at large ranges as well as eye safety.
 

1 kW Q-switched Nd:YAG laser
LD pumped High Beam Quality

1kwqsw

1 1

 

1 2

1 3

Far field 3 J ´ 330 Hz

1 4

Far field beam profile
1.2×DL at 1 kW Q-switched!

Wavelength

1064 nm

Pulse energy

3 J

Pulse repetition rate

330 Hz

Pulse duration

7 ns

Output beam diameter

15 mm

Beam divergence

(1.2~1.5)´DL


Features
MOPA configuration

LD pumped
SLM seeded
SBS PC mirror
Flat-top near field
Compact, table top, robust

 Application:

Long distance rangefinding
Material hardening (laser peening)
Thompson scattering diagnostics of plasma
OPO pumping, Ti:Sapphire pumping
Module for multichannel system
s

 

3 LD Pump Modules for Nd:YAGÆ(10…15140 мм

3ld 1 3ldpumpred 3ldpump
 

Fluorescence ProfileNd:

YAGÆ15×140 mm, pump - 885 nm     


 

 

LD pumping
Compared with flashlamp pumping:
•     Higher efficiency 
( ~5 times higher)
•     Higher average pump power
•     Higher reliability and life time
•     Lower heat deposition

ü3 LD arrays

ü Diffusive Reflector R~99%

ü Separate liquid cooling of LD and the Laser Rod

ldpump

 

1.2 kW (6J × 200Hz) LD pumped Q-switched Nd:YAG Laser

1 2 1         1 2 2  12kw6j  12kw6j1  12kw6j2

Most Powerful in the World High Beam Quality

Q-switched LD pumped Nd:YAG laser

Wavelength

1064nm

Output energy

6J

Repetition rate

200 Hz

Pulse duration

10 ns

Beam diameter

25 mm

Beam divergence

<0,5 mrad

Laser Head Size

1000×700×220 mm

Laser Head Weight

80 kg

Applications:

  • Materials treatment, laser shock peening

  • Long distance rangefinders (e.g. lunar locator, space debris monitoring)

  • Thomson scattering diagnostics

 

 

 

 Nd:YAG Laser 12 Joules × 300 Hz with high Beam Quality (R&D)

5 1  12joules

 4-channel system

Wavelength

1064nm

Output energy

12J

Repetition rate

300 Hz

Pulse duration

10 ns

Beam diameter

45 mm

Beam divergence

<1.2 mm×mrad

Laser Head Size

1600×700×500 mm

Laser Head Weight

280 kg

Applications:

Laser peening (metal hardening)

Materials evaporation

Ti:Sa laser pumping

Space debris control

 

 360 mJ@90 ps at 200 Hz Nd:YAG Laser
for the Lunar Laser Ranging

360mj  360mj1  360mj2  360mj3

  360mj4

 

Wavelength

1064 nm

532 nm

Pulse energy

500 mJ

320 mJ

Pulse repetition rate

200 Hz

Pulse duration

~ 65 ps

Beam divergence 

<1.5×DL

Regenerative amplifier

• Output energy            5 mJ
·  Repetition rate           200 Hz*
·  Power distribution     Gaussian
·  High beam quality

 

* - 1 kHz operation is under development

Power Amplifier Features

  Two-pass power   amplifier
  Adaptive optical system for compensation of thermo induced distortions
  LD pumped
  Flat-top near field

 Applications:

·  Lunar laser ranging
·  Measurement precision distance to satellites
·  Obtaining of space objects pictures
·  Recognition of space objects
·  Definition of space rubbish size and parameters
 
 

72% of SHG efficiency at

90 picosecond pulse duration

 

1 kW Q-switched Nd:YAG laser
 Output beam divergence
at 3 J × 330 Hz

1kwqnd  1kwqnd1  1kwqnd2  1kwqnd3

 

Beam Quality 1.2×DL at 1 kW Q-switched!

 

Eye-safe1,54 µm Yb:Er glass Lasers
Laser LP-8-10-AOM

6 1

 

Optical

Wavelength

1.54 µm

Pulse energy

8 mJ

Pulse duration

25 ns

Beam divergence

2 arc min

Pulse repetition rate

10 Hz

Power supply

Current

120 A

Pulse duration

5 ms

Voltage

8 V

 

Eye-safe 1,54 µm Yb:Er glass Lasers
Laser LP-1-1-PG

7 1

Optical

Wavelength

1.54 µm

Pulse energy

1 mJ

Pulse duration

12 ns

Beam quality

1.4 DL

Pulse repetition rate

1 Hz

Burst mode

3 Hz

Power supply

Current

100 A

Pulse duration

5 ms

Voltage

2 V

 

Eye-safe 1,54 µm Yb:Er glass Lasers
Laser LP-8-1-AOM

8 1

 

Optical

Wavelength

1.54 µm

Pulse energy

8 mJ

Pulse duration

25 ns

Beam divergence

2 arc min

Pulse repetition rate

1 Hz

Burst mode

5 Hz

Power supply

Current

100 A

Pulse duration

5 ms

Voltage

5 V

 

Eye-safe 1,54 µm Yb:Er glass Lasers
Nd:YAG Q-switched TEM00 DPSSL

9 1

Optical

Wavelength

1,064 µm, 0,532 and 1,57 µm as option

Pulse energy

6 mJ @ 1,064 µm

Pulse duration

10ns

Beam divergence

3 arc min@ 1.6 mm dia

Pulse repetition rate

up to 100 Hz

Power supply

Current

100 A

Pulse duration

300 µs

Voltage

12V

 

 

       
  пс-лазер_дальняя зона_5Гц_задержка 170 мкс(1),ближняя зона _зад
 
    Подпись: SHG efficiency

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