1580nm DFB Butterfly Laser Diodes Manufacturers

The grating coupler uses grating technology to couple optical signals into optical fibers, and uses the principle of grating diffraction to connect the transmitted optical signals with the optical field inside the optical fiber. The fundamental principle is to use high-frequency acoustic wave fields as gratings to divide light waves into many small light waves, and project them into optical fibers, thereby realizing the coupling and transmission and reception of optical signals.

Laser sensors are sensors that use laser technology to measure. It consists of a laser, a laser detector and a measuring circuit. Laser sensor is a new type of measuring instrument. Its advantages are that it can realize non-contact long-distance measurement, fast speed, high precision, large range, strong anti-light and electrical interference ability, etc.

Box Optronics 760nm 10mW butterfly laser utilizes a multi-quantum well distributed feedback (MQW-DFB) structure, ensuring a precise and stable 760nm wavelength with a narrow linewidth of less than 2MHz.

A femtosecond laser is an "ultrashort pulse light" generating device that emits light only for an ultrashort time of about one-gigasecond. Fei is the abbreviation of Femto, the prefix of the International System of Units, and 1 femtosecond = 1×10^-15 seconds. The so-called pulsed light emits light only for an instant. The light-emitting time of the flash of a camera is about 1 microsecond, so the ultra-short pulse light of femtosecond only emits light for about one billionth of its time. As we all know, the speed of light is 300,000 kilometers per second (7 and a half circles around the earth in 1 second) at an unparalleled speed, but in 1 femtosecond, even light only advances by 0.3 microns.