News

  • 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...
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  • Polarization of laser

    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...
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  • Power density and energy density of laser

    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 ...
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  • Important performance characterization parameters of laser system

    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, ...
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  • Fiber bundle technology improves the power and brightness of blue semiconductor laser

    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...
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  • Introduction to Edge Emitting Laser (EEL)

    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...
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  • High performance ultrafast wafer laser technology

    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...
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  • TW class attosecond X-ray pulse laser

    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...
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  • Introduction to vertical cavity surface emitting semiconductor laser (VCSEL)

    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...
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  • Excitation of second harmonics in a wide spectrum

    Excitation of second harmonics in a wide spectrum

    Excitation of second harmonics in a wide spectrum Since the discovery of second-order nonlinear optical effects in the 1960s, has aroused wide interest of researchers, so far, based on the second harmonic, and frequency effects, has produced from the extreme ultraviolet to the far infrared band o...
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  • Polarization electro-optic control is realized by femtosecond laser writing and liquid crystal modulation

    Polarization electro-optic control is realized by femtosecond laser writing and liquid crystal modulation Researchers in Germany have developed a novel method of optical signal control by combining femtosecond laser writing and liquid crystal electro-optic modulation. By embedding liquid crystal ...
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  • Change the pulse speed of the super-strong ultrashort laser

    Change the pulse speed of the super-strong ultrashort laser

    Change the pulse speed of the super-strong ultrashort laser Super ultra-short lasers generally refer to laser pulses with pulse widths of tens and hundreds of femtoseconds, peak power of terawatts and petawatts, and their focused light intensity exceeds 1018 W/cm2. Super ultra-short laser and its...
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