As one of the cores of medium and long-distance optical communication, the optical module plays a role in photoelectric conversion. It is composed of optical devices, functional circuit boards, and optical interfaces.
The wavelength of the 10G conventional SFP+ DWDM optical module is fixed, while the 10G SFP+ DWDM Tunable optical module can be configured to output different DWDM wavelengths. The wavelength tunable optical module has the characteristics of flexible selection of the working wavelength. In the optical fiber communication wavelength division multiplexing system, Optical add/drop multiplexers and optical cross-connects, optical switching equipment, light source spare parts and other applications have great practical value. Wavelength tunable 10G SFP+ DWDM optical modules are more expensive than conventional 10G SFP+ DWDM optical modules, but they are also more flexible in use.
Lidar (Laser Radar) is a radar system that emits a laser beam to detect the position and speed of a target. Its working principle is to send a detection signal (laser beam) to the target, and then compare the received signal (target echo) reflected from the target with the transmitted signal, and after proper processing, you can obtain relevant information about the target, such as Target distance, azimuth, altitude, speed, attitude, even shape and other parameters, so as to detect, track and identify aircraft, missiles and other targets. It consists of a laser transmitter, an optical receiver, a turntable, and an information processing system. The laser converts electrical pulses into light pulses and emits them. The optical receiver then restores the light pulses reflected from the target to electrical pulses and sends them to the display.
A revolutionary technology allows scientists to observe the interior of instantaneous particles called excitons (Exciton) at close range in an unparalleled way. Excitons describe the bound state of a pair of electrons and holes that are attracted to each other by electrostatic Coulomb interaction. They can be regarded as electrically neutral quasi-particles that exist in insulators, semiconductors and some liquids. They are condensed matter physics. The basic unit that transfers energy without transferring charge.
This is a packaged chip with integrated circuits composed of tens or tens of billions of transistors inside. When we zoom in under a microscope, we can see that the interior is as complex as a city. The integrated circuit is a kind of miniature electronic device or component. Together with wiring and interconnection, fabricated on a small or several small semiconductor wafers or dielectric substrates to form structurally closely connected and internally related electronic circuits. Let’s take the most basic voltage divider circuit as an example to illustrate that it is How to realize and produce effect inside the chip.
Optical Coherence Tomography (OCT) is a low-loss, high-resolution, non-invasive medical and imaging technology developed in the early 1990s. Its principle is similar to ultrasound imaging, the difference is that it uses light instead of sound.
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