Español

Improved spectrometer color filter array for software calibration without the need for laser

913
2024-05-28 16:04:55
Ver traducción

Hackaday will launch cool projects that may stimulate others to expand and enhance it, and even move in a completely new direction. This is the way the most advanced technology continues to evolve.

 


This DIY spectrometer project is a great example of this spirit. It comes from Michael Prathofer, who was inspired by Les Wright's PySpectrometer, a simple device pieced together by a pocket spectrometer and PiCam. As we pointed out at the time, [Les] added many complex instruments to the software, but this does not mean there is no room for improvement.

Michael's goal is to make his spectrometer easier to build and improve the calibration process and overall accuracy. To help solve the former, he performed software calibration on the color filter array on his Fuji X-T2. The advantage of doing so is that it does not require high-power lasers and precision micro locators to ablate CFA, and avoids the possibility of damaging expensive cameras. For the latter, Michael delved into the theories behind spectroscopy and camera optics to develop a process that associates the intensity of light in the spectrum with a specific wavelength at that location. He also conducted some machine learning during this process and trained a network to optimize the response function.

Source: Laser Net

Recomendaciones relacionadas
  • New research on achieving femtosecond laser machining of multi joint micromachines

    The team of Wu Dong, professor of the Micro/Nano Engineering Laboratory of University of Science and Technology of China, proposed a processing strategy of femtosecond laser two in one writing into multiple materials, manufactured a micromechanical joint composed of temperature sensitive hydrogel and metal nanoparticles, and then developed a multi joint humanoid micromachine with multiple deformat...

    2023-09-15
    Ver traducción
  • NLIGHT announces the launch of two new laser technologies at The Battery Show North America

    Recently, nLIGHT, a leading company in the fields of fiber optics and semiconductor lasers, announced the launch of two new laser technologies at The Battery Show North America: WELDForm and Automatic Parameter Adjustment (APT), aimed at meeting the dynamic needs of advanced battery manufacturing customers. In order to provide high-quality laser welding technology to the rapidly growing electric...

    2024-10-15
    Ver traducción
  • Single photon avalanche diode detector enables 3D quantum ghost imaging

    A team of researchers at the Fraunhofer Institute for Optoelectronics, Systems Technology and Image Development and Karlsruhe Institute of Technology are using single-photon avalanche diode (SPAD) arrays to achieve three-dimensional (3D) quantum ghost imaging.The new method, called "asynchronous detection," produces the lowest photon dose of any measurement and can be used to image light-sensitive...

    2023-09-06
    Ver traducción
  • The Application of Femtosecond Laser in Precision Photonics Manufacturing

    The femtosecond laser emits ultra short optical pulses with a duration of less than one picosecond, reaching the femtosecond level (1fs=10-15s). The characteristics of femtosecond laser are extremely short pulse width and high peak intensity.Ultra short pulse trains can minimize residual heat, ensure precise material processing, and minimize incidental damage. Its high peak intensity can induce no...

    2024-04-02
    Ver traducción
  • Researchers enhance the signal of perovskite nanosheets

    In the field of optoelectronics, researchers from Busan National University in South Korea and the University of Oxford in the UK have successfully improved the signal amplification ability of CsPbBr3 perovskite nanosheets through innovative patterned waveguide methods, bringing new possibilities for the future of optoelectronics. This breakthrough not only has potential applications in fields suc...

    2024-02-22
    Ver traducción