LDR80K2 1064nm laser rangefinder designator for UAV pods

Laser Wavelength

1064nm±1nm

Pump Mode

Side-pumped semiconductor (diode) pumping

Designation Frequency

Fixed Frequency: 45 ms – 125 ms (default 20 Hz)

Trigger Mode

Internal-Synchronization Illumination / External-Synchronization Illumination
(Trigger Delay: 304.0 μs ± 0.1 μs)

Output Energy

≥80m

Dimensions

≤150×102×55mm

Weight

≤850g

Designation Capability

≥10km

Q-Switch Type

Electro-optic Q-switch (EO Q-switch)

Pulse Width

15ns ±5ns

Beam Divergence

≤0.15mrad

Energy Instability

≤8%(RMS)

Laser Designation Performance

Short-duration irradiation mode: The irradiation time for each cycle is 17 seconds, followed by a 30-second interval. The system can perform up to 8 consecutive irradiation cycles.

Long-duration irradiation mode: The irradiation time for each cycle is 60 seconds, followed by a 45-second interval. The system can perform up to 4 consecutive irradiation cycles.

Optical Axis Parallelism Error Relative to Mounting Datum

≤0.5mrad

Ranging Performance

·  Minimum Measuring Distance: ≤ 300 m

·  Maximum Measuring Distance: ≥ 15 km
(under conditions of a 2.3 m × 2.3 m target, diffuse reflectivity ≥ 0.2, visibility ≥ 20 km, and relative humidity ≤ 70%)

·  Ranging Frequency: 1–20 Hz (up to 3 simultaneous targets)

·  Ranging Accuracy: ≤ 5 m

·  Probability of Valid Ranging: ≥ 98%

·  Continuous Ranging Operating Time: 90 s
(20 Hz continuous operation for 90 s, rest time ≤ 5 minutes before continuing ranging)

Communication Serial Interface

RS422

External Synchronization Interface

+5 V differential line driver/receiver, RS-422 interface (delay from external synchronization signal to laser emission: 304.0 μs ± 0.1 μs).

Laser Coding Mode

l Precise Frequency Coding

l Time Coding

l Pseudo-Random Coding

Period Accuracy

<+-1us

Power Supply

DC 20V ~ 28V

Power Consumption

During operation, the average power consumption is not more than 55W, and the peak power consumption is not more than 100W.

Low-Temperature Test

Operating temperature: −40 °C
Storage temperature: −45 °C

High-Temperature Test

Operating temperature: +60 °C
Storage temperature: +65 °C

Damp-Heat Test

Relative humidity: 95% ± 3%
Temperature: +35 °C ± 2 °C
Storage duration: 72 h

Shock Test

Waveform: Half-sine pulse
Peak acceleration: 10 g
Pulse duration: 11 ms

Vertical axis: ≥ 10 g
Lateral axis: ≥ 10 g
Longitudinal axis: ≥ 10 g

Shock waveform: post-peak sawtooth, duration 11 ms, applied along the X, Y, and Z axes, in both directions on each axis, three shocks per direction, for a total of 18 shocks.

Test condition:
The product shall be mounted on the shock test bench in its normal operating configuration and powered on during the test.

Post-test requirement:
After shock testing, the equipment shall operate normally.

Vibration

The equipment shall withstand flight vibration and the shocks occurring during takeoff and landing, and all components shall meet the environmental conditions of vehicle transportation.

The vibration profile is a swept-frequency spectrum:

l From 5 Hz to 16 Hz, constant-displacement sinusoidal vibration with an amplitude of 1.5 mm;

l From 16 Hz to 60 Hz, constant-acceleration sinusoidal vibration with an acceleration level of 1.5 g.

Each of the three axes shall be vibrated for 36 minutes.

Test condition:
The product shall be mounted on the vibration table in its normal operating configuration and powered on during the test.

Post-test requirement:
After vibration testing, the equipment shall operate normally.