Laser pointing optical microphone system. No need to calibrate the angles of incidence or reflection!
The OPTIMIC-3000 laser microphone system works independently from the laser beam angle calibration commonly required in these cases: the receiver and transmitter are both integrated in the same box. Thus you do not need to be at the same height of the target to receive audio signal transduction. The device is mounted on a removable tripod, and has specific feautures that make it effective even in the most difficult audio surveillance operations from the distance.
How does the optic laser monitoring system Optimic-3000 work?
OPTIMIC-3000 is simple to use: just point the laser beam in the direction of an apartment window, or a car, in order to frame an object within and get sounds from it. The equipment systematically surveys the vibrations generated by the object (paper, metal, plastic, tissues, etc.), converting them into audio signals by means of an interferometer with integrated photo detectors and demodulation technology. The sound so heard is acceptable for any audio surveillance purpose.
Also keep in mind that audio transmission is not affected by noise between the microphone and the framed object. Obviously the smaller the distance from the object is, the better the sound will be demodulated and heard.
What is the difference between an optical microphone and a traditional laser microphone?
OPTIMIC-3000 works quite differently from a normal directional laser microphone, as it does not focus on the laser beam refraction, produced for example by window glass, but overtakes this latter by beholding the objects inside the room. The object will vibrate at a certain frequency acting as a "sounding box" for any conversation produced within the room.
Essentially is the high frame rate video elaboration to play an important role in the whole audio monitoring operation, because it is able to convert micro movements into audio signal.
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OPTICAL LASER UNIT
Laser power: <10 mW - IEC/EN60825-1 class 1, eye-safe