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  • Testing laser systems / Tester of directional pulsed laser receivers
  • Testing laser systems / Tester of directional pulsed laser receivers
  • Testing laser systems / Tester of directional pulsed laser receivers


Article: 00249816

Testing laser systems / Tester of directional pulsed laser receivers

L64 test system is a laser spot projector that simulate to the tested directional laser receiver a laser spot emitting/reflecting pulsed laser radiation at typically 1064nm wavelength. Advanced software allows regulation of peak power, pulse width, pulse repetition frequency/pulse interval, angular size and angular position of simulated pulsed laser source and makes possible realistic simulation. The station can generate laser pulses working typically in pulse repetition frequency (PRF) mode. However, it can be optionally delivered capable to work in PIM (pulse interval modulation) mode, too. L64 system project images of the pulse light source in both visible and /infrared range and therefore the source is visible to both thermal imagers and VIS-NIR cameras. The latter functionality enables boresight of laser receivers relative to laser transmitters in laser designators or in laser range finders. Finally, L64 test system is typically offered to test laser receivers working at 1064nm wavelength. However, it can be optionally offered in versions optimized to test laser receivers working at 1550nm, 1530nm, 1570nm, 910nm, 980nm or at other wavelengths. L64 test system works as an image projector that can project image of a pulsed laser source of following features: 1. wavelength: 1064 nm (optionally 1550nm, 1530nm, 1570nm, 910nm or at other wavelengths), 2. regulated pulse peak power, 3. regulated temporal properties (typically regulated pulse repetition frequency/pulse time widht and optionally pulse interval modulation), 4. regulated angular size, 5. regulated angular position, 6. image of the simulated laser source is visible for both VIS-NIR cameras and thermal imagers. L64 station can be delivered in form of a series of versions of different design and different test capabilities. The specs presented in Table 1 refer to most advanced typical version (work at PRF mode) coded as L64XD version. The station can be optionally delivered in several versions of different test capabilities: 1. L64XD - most advanced version capable to work in typical PRF mode. Technical details in Section 6. This is recommended version for expanded testing typical directional laser receivers working in PRF mode. 2. L64XC – as in L64XD but additionally no automatic continuous regulation of laser source properties (pulse peak power, PRF, target angular size, target angular position) with time according to pre-programmed temporal trajectory (simulation of variable distance scenario). Manual regulations using control software of all source properties are still possible. 3. L64XB – as in L64XC but additionally the station simulates only spatially static pulses light source (no regulation of source angular position). No support to boresight of laser receiver to thermal imagers or VISNIR cameras, too. No optical synchronization. 4. L64XA – as in L64XB but additionally but maximal radiant exitance at collimator output is limited to 0.4 mW/cm2. This is low cost version recommended for basic checks (sensitivity) of directional laser receivers. There can be also optional versions capable to work in PIM mode,too.


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