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Micro devices and more efficient lasers
Micro devices and more efficient lasers Rensselaer Polytechnic Institute researchers have created a laser device that is only the width of a human hair, which will help physicists study the fundamental properties of matter and light. Their work, published in prestigious scientific journals, could...Read More -
Unique ultrafast laser part two
Unique ultrafast laser part two Dispersion and pulse spreading: Group delay dispersion One of the most difficult technical challenges encountered when using ultrafast lasers is maintaining the duration of the ultra-short pulses initially emitted by the laser. Ultrafast pulses are very susceptible...Read More -
Unique ultrafast laser part one
Unique ultrafast laser part one Unique properties of ultrafast lasers The ultra-short pulse duration of ultrafast lasers gives these systems unique properties that distinguish them from long-pulse or continuous-wave (CW) lasers. In order to generate such a short pulse, a wide spectrum bandwidth i...Read More -
AI enables optoelectronic components to laser communication
AI enables optoelectronic components to laser communication In the field of optoelectronic component manufacturing, artificial intelligence is also widely used, including: structural optimization design of optoelectronic components such as lasers, performance control and related accurate characte...Read More -
Polarization of laser
Polarization of laser “Polarization” is a common characteristic of various lasers, which is determined by the formation principle of the laser. The laser beam is produced by the stimulated radiation of the light-emitting medium particles inside the laser. Stimulated radiation has a re...Read More -
Power density and energy density of laser
Power density and energy density of laser Density is a physical quantity we are very familiar with in our daily life, the density we contact most is the density of the material, the formula is ρ=m/v, that is, density is equal to mass divided by volume. But the power density and energy density of ...Read More -
Important performance characterization parameters of laser system
Important performance characterization parameters of laser system 1. Wavelength (unit: nm to μm) The laser wavelength represents the wavelength of the electromagnetic wave carried by the laser. Compared to other types of light, an important feature of laser is that it is monochromatic, ...Read More -
Fiber bundle technology improves the power and brightness of blue semiconductor laser
Fiber bundle technology improves the power and brightness of blue semiconductor laser Beam shaping using the same or close wavelength of the laser unit is the basis of multiple laser beam combination of different wavelengths. Among them, spatial beam bonding is to stack multiple laser beams in sp...Read More -
Introduction to Edge Emitting Laser (EEL)
Introduction to Edge Emitting Laser (EEL) In order to obtain high-power semiconductor laser output, the current technology is to use edge emission structure. The resonator of the edge-emitting semiconductor laser is composed of the natural dissociation surface of the semiconductor crystal, and th...Read More -
High performance ultrafast wafer laser technology
High performance ultrafast wafer laser technology High-power ultrafast lasers are widely used in advanced manufacturing, information, microelectronics, biomedicine, national defense and military fields, and relevant scientific research is vital to promote national scientific and technological inn...Read More -
TW class attosecond X-ray pulse laser
TW class attosecond X-ray pulse laser Attosecond X-ray pulse laser with high power and short pulse duration are the key to achieve ultrafast nonlinear spectroscopy and X-ray diffraction imaging. The research team in the United States used a cascade of two-stage X-ray free electron lasers to outpu...Read More -
Introduction to vertical cavity surface emitting semiconductor laser (VCSEL)
Introduction to vertical cavity surface emitting semiconductor laser (VCSEL) Vertical external cavity surface-emitting lasers were developed in the mid-1990s to overcome a key problem that has plagued the development of traditional semiconductor lasers: how to produce high-power laser outputs wit...Read More
