chanelink logo
CHANELINK
Tiếng Việt

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

127
2024-05-28 16:04:55
Xem bản dịch

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

Đề xuất liên quan

  • Microcomb launches a simplified design for powerful lasers based on chips

    Researchers at the University of Rochester have created new micro comb lasers that go beyond previous limitations and have simple designs suitable for various applications. The research results are published in Nature Communications.Optical frequency combs are optical measurement instruments that have revolutionized atomic clocks, spectroscopy, metrology, and other fields. However, the difficulty ...

    2024-05-25
    Xem bản dịch

  • Launching the world's strongest laser at a cost of 320 million euros

    Beijing, April 1st (Reporter Liu Xia) - The world's most powerful laser has been activated recently. On March 31st, the Physicist Organization Network reported that the system can enable laser pulses to reach a peak of 10 terawatts (1 terawatt=100 terawatts=1015 watts) within 1 femtosecond (1000 trillions of a second), which is expected to promote revolutionary progress in multiple fi...

    2024-04-03
    Xem bản dịch

  • On demand ultra short laser flash: controllable optical pulse pairs from a single fiber laser

    Set up a dual comb fiber laser oscillator, external pulse combination, and real-time detection.In innovative methods for controlling ultra short laser flashes, researchers from Bayreuth University and Konstanz University are using soliton physics and two pulse combs in a single laser. This method has the potential to greatly accelerate and simplify laser applications.Traditionally, the pulse inter...

    2024-01-12
    Xem bản dịch

  • Coherent CEO Resigns in Restructuring

    Recently, laser giant Coherent (COHR) released an announcement.Coherent Corporation announced that President Walter R. Bashaw II will resign on September 6, 2024, due to a company restructuring that resulted in the cancellation of his position.His resignation is classified as a 'Good Reason' termination, which ensures that he will receive full severance compensation in accordance with existing com...

    2024-08-20
    Xem bản dịch

  • Scientists have successfully miniaturized erbium-based erbium lasers on silicon nitride photonic chips

    Scientists from the Federal Institute of Technology in Lausanne (EPFL) have successfully miniaturized a powerful erbium-based erbium laser on silicon nitride photonic chips. Due to the large volume and difficulty in shrinking of typical erbium-based fiber lasers, this breakthrough is expected to make significant progress in optical communication and sensing technology.Since the 1960s, lasers have ...

    2024-06-13
    Xem bản dịch