Miniaturised laser for rangefinders:
1. OPO shifted Laser head:
Pumping energy: 15 mJ
Pumping Laser rod: 4x70 mm Nd:YAG (dia x length)
Output Wavelength: 1570 nm
Output energy: 5mJ
Frequency: 0.25 Hz or 1 Hz in burst mode
Beam divergence: 1.5 mrad
Cooling: air
Q switch: Cr:YAG
OPO: KTP cristal
2. Er:glass laser head:
Emission wavelength, 1540 nm
Output energy: 8 mJ
Pulse duration; 35ns
Pulse repetition rate: 0.25 Hz
Laser medium Er: glass 3 x 30 mm (dia x length)
Pump energy: 15mJ
Qswitch: FTIR shutter beam divergence: 1 mrad
3. Ho:YAG laser head:
Laser medium: Cr, Tm, Ho:YAG;
Wavelength: 2100 nm;Pulse energy: 200 - 2700 mJ;
Pulse rate duration: 250 - 400 microsecunde;
Repetition rate : 3 - 15 Hz;
Average power : 20W la 3Hz;
Cooling system: two systems: primary and secundary sistem;
Miniaturized laser modules LMM 1, LMM 2
They are designed for certain equipment and devices such as: telemeters, communicators, medical equipment, non-conventional processing devices, installation and devices for scientific research etc.
They are designed based on the principle of pulsed YAG:Nd, in two variants : LMM 1 and LMM 2.
Information
The performances of the different types of miniaturized lasers are ranged between the following limits:
Emitted laser energy: 7.18 mJ
Pulse width: 2.10 ns
Laser beam divergence: 5 mrad
Pulse repetition rate: 6.8 pulses/minute.
Copyright : OPTOELECTRONICA 2001 S.A.
