20mJ Laser Rangefinder & Laser Target Designator

1) Operating Modes: Ranging, Target Designation;

2) Pump Source: Diode Array;

3) Operating Wavelength: 1.064μm;

4) Pulse Energy: ≥20mJ;

5) Pulse Energy Fluctuation: Within a target designation cycle, the energy fluctuation of a single pulse does not exceed 10% of the average energy (measured after 2 seconds of light emission);

6) Beam Divergence: ≤0.6mrad;

7) Pulse Width: 10±5ns;

8) Laser Axis Stability: ≤0.05mrad;

9) Ranging Performance:

10) Ranging Frequency: 1Hz/5Hz, single shot;

a) Continuous ranging time at 1Hz is not less than 5 minutes, with a 1-minute rest;

b) Continuous ranging time at 5Hz is not less than 1 minute, with a 1-minute rest;

c) Minimum measurement distance: not greater than 300m;

d) Maximum measurement distance: not less than 3000m;

e) Ranging accuracy: ±1m;

f) Probability of correct measurement: not less than 98%;

g) Ranging logic: first and last targets;

11) Target Designation Performance:

a) Laser coding accuracy: 2.5μs.

b) Laser target designation frequency base: 20Hz.

c) Laser target designation cycle:

• Short cycle target designation:

A single target designation lasts not less than 20 seconds, with an interval not exceeding 30 seconds, and continuous target designation for 8 cycles.

• Long cycle target designation:

A single target designation lasts not less than 47 seconds, with a restart interval not exceeding 30 seconds, and continuous target designation for 2 cycles.

After the end of a target designation cycle, the interval before restarting continuous target designation is not less than 30 minutes.

12) Laser Coding:

a) Complies with MIL-STD-810G system requirements and has user self-coding expansion capability;

b) Capable of receiving external synchronization signals to control laser emission for coding;

c) Coding method: Precise frequency code (eight pre-stored periodic code encodings);

13) Dimensions and Weight:

a) Outer dimensions envelope: ≤92mm×67mm×53mm;

b) Weight: ≤290g.

14) Input Power Requirements:

a) Average power consumption during operation is not greater than 55W, and the peak is not greater than 100W.

b) Operating voltage range is 20V to 28V.

15) Electrical Protection:

After the circuit board is designed and adjusted, it is coated with a three-proof varnish for "three-proof" treatment.

Environmental Adaptability Requirements

Temperature Requirements

1) High-temperature requirements:

Operating temperature: ≤+55℃;

Storage temperature range: ≤+70℃.

2) Low-temperature requirements:

Operating temperature: ≥-40℃;

Storage temperature range: ≥-45℃.

Vibration Requirements

Capable of withstanding flight vibration and the impact of takeoff and landing, and all equipment can withstand the environmental conditions of automotive transportation.

Vibration is a swept spectrum, with 15Hz to 33Hz being equal displacement sine vibration with a displacement of 0.91mm; 33Hz to 700Hz being equal acceleration sine vibration with an acceleration of 2g.

Vibration in three directions for 1 hour each.

Test specimen status: The product is placed on the test bench in the normal operating state during impact, and the product is powered on;

After impact testing, the product should work normally.

Shock Requirements

• Vertical axis direction ≥ 10g,
• Transverse axis direction ≥ 10g,
• Longitudinal axis direction ≥ 10g;
• Ring sawtooth wave, duration 11ms, X, Y, Z axes, two directions per axis, one time each, totaling 18 times.
• Test specimen status: The product is placed on the test bench in the normal operating state during impact, and the product is powered on;
• After shock testing, the product should work normally.