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Changchun New Industries Optoelectronics Technology Co., Ltd.

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Communication and Imaging

Laser Communication and Imaging


Laser communication is wireless connections through the atmosphere. It is now able to send information at data rates up to several Gbps and at a distance of thousands of kilometers apart.

The information is sent to the light modulator which is connected with laser. The modulator processes the information on a laser by adjusting amplitude, frequency or phase. Then the information is transmitted by optical antenna. At the receiving end, the oscillator and signal are mixed and then transformed into the original information by the photoelectric balance detector and loop filter, after amplification and demodulation.

Laser communication has the advantages of small transmission loss, long transmission distance, high communication quality, large communication capacity, strong confidentiality and light structure. It is mainly used for ground communication, global communication and interstellar communication.


Laser coherent communication
Laser communication

Laser imaging: Illuminate the target with the three frequency shift laser beam to produce the moving interference fringes on the surface, then receive the echo with energy detector and demodulate echo to get the the Fourier amplitude and phase spectrum of target on the surface. Finally, eliminate the atmospheric jitter by closure phase and reconstruct the target image by the Fourier inversion.
Our precision manufactured lasers and laser systems deliver the highest possible laser graphic imaging performance on a wide

variety of materials, including marble, wood, glass, plastics, painted metals, textiles, anodized aluminum and more. The imaging system has the advantages of high resolution and ultra long range imaging. It can also overcome the atmospheric turbulence.

Laser coherent communication
Laser coherent communication
Changchun New Industries (CNI) founded in 1996, is a leading manufacturer of solid-state and diode laser systems. CNI laser features with high performance, nice reliability, and specifically designed for OEM, scientific, industrial and instrumentation use. In addition, CNI is ISO-9001, FDA, CE, RoHS and JQA certified.

Laser coherent communication Laser coherent communication
Laser coherent communication
F-P etalon Interference ring
Interference fringes
Single longitudinal mode test

Features
  • Frequency stabilized
  • Narrow line width
  • Long coherence length
Lasers Related

Wavelengths: 360 nm, 405 nm, 457 nm, 473 nm, 532 nm, 556 nm, 561 nm, 589 nm, 633 nm, 656 nm, 660 nm, 671 nm, 1064 nm, 1342nm, 1550nm, etc.
hania Yang

Ms. hania Yang

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