Ultrafast laser is a kind of laser based on SESAM, Kerr lens and other mode-locking technology, the pulse width is in the order of ps or even fs.
When the incident light flux leaves from the illuminated surface or the incident surface of the medium to the other side, the ratio of the radiant energy projected and transmitted through the object to the total radiant energy projected on the object is called the transmittance of the object. The percentage of radiant energy reflected by an object to the total radiant energy is called reflectivity.
Semiconductor laser is a kind of laser developed in the 1960s, using semiconductor materials as working materials. Since the end of the 1970s, semiconductor lasers have clearly developed in two directions. One type is information-type lasers for the purpose of transmitting information, and the other type is power-type lasers for the purpose of directly using the optical power of the output laser.
Semiconductor laser is a kind of laser developed in the 1960s, using semiconductor materials as working materials. Since the end of the 1970s, semiconductor lasers have clearly developed in two directions. One type is information-type lasers for the purpose of transmitting information, and the other type is power-type lasers for the purpose of directly using the optical power of the output laser.
Although both spectrum and frequency spectrum are electromagnetic spectrum, due to the difference in frequency, the analysis methods and test instruments of spectrum and frequency spectrum are very different. Some problems are difficult to solve in the optical domain, but it is easier to solve them through frequency conversion to the electrical domain.
Furukawa Electric and Fujitsu Optical Devices (FOC) have agreed to cooperate in the development of integrated equipment for next-generation high-capacity optical communications. The two companies stated that they will use their respective advantages to develop high-capacity, compact, and low-power devices for next-generation communication networks to meet the demand for solutions in the Asian region.
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