首页 Fiber Accessories Fiber optic components Etalon Fabry Perot (F-P) interferometer/etalon 2.5-14um/1.3-2.0um Mid-infrared Fabry-Perot F-P interferometer (F-P etalon/multi-beam interferometer 2.5-14um) FP-WLFE-MIR
  • Mid-infrared Fabry-Perot F-P interferometer (F-P etalon/multi-beam interferometer 2.5-14um) FP-WLFE-MIR

    Fabry-Perot interferometer is a multi-beam interferometer composed of two parallel glass plates. The inner surfaces of the two glass plates have high reflectivity. When the two glass plates are fixed with a hollow spacer of fixed length, it is also called Fabry-Perot etalon or simply etalon. The F-P (Fabry-Perot) etalon is a high-resolution spectrometer because of its high reflectivity and extremely narrow multi-beam isotonic interference fringes. It can be used for high-resolution spectroscopy and the study of spectral lines with very close wavelengths, such as isotope spectra of elements, hyperfine structures of spectra, tiny frequency shifts during light scattering, Doppler shifts of spectral lines caused by atomic movement, and the structural shape inside spectral lines; it can also be used as a high-resolution optical filter and the construction of precision wavelength meters; in laser systems, it is often used to narrow spectral lines in the cavity or to make the laser system run in single mode. It can be used as a bandwidth control and tuning device in broadband picosecond lasers to analyze and detect spectral (longitudinal mode, transverse mode) components in lasers.

    产品特点Suitable for mid-infrared、 Good parallelism、 High end surface flatness、 Good surface quality

    产品货号A80151701

    应用领域Wavelength lockers、 Wavelength division multiplexing telecommunications networks、 Handheld spectrum analyzers、 Fiber Bragg grating sensing systems、 Tunable filter lasers、 Tunable filters

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    Sherry

    电话:16628709332

    邮箱:moli@microphotons.com

    主要参数
  • 核心参数
  • 尺寸图
  • Parameter

    Technical parameters

    Technical Specifications

    Working band

    Near infrared 1.3-2.0um, mid infrared 2.5-14um

    Diameter

    25.4mm+/-0.05mm

    Aperture

    22.9mm

    Length

    100mm+/-0.2mm

    Parallelism

    5-10 arc sec

    End surface flatness

    Mid-infrared 1/4 lambda; Near infrared 1/10 lambda

    Surface quality

    Mid-infrared 80-50; Near infrared 60-40

    Tube shell

    Copper

    Free spectral range (FSR)

    0.034cm-1

     


    Experimental testing

    6108e1a07c8d1.png

    Test steps:

    1. Install the 1532nm laser, connect the power supply and USB cable

    2. Connect the laser output to the fiber collimator

    3. Use a BNC to BNC cable to connect the signal generator to the low-frequency modulation port of the laser driver

    4. Use a BNC to BNC cable to connect the detector to the channel 2 port of the oscilloscope

    5. Turn on the laser and the signal generator (triangle wave modulation, frequency 1KHZ, voltage amplitude 500mW)

    6. The light emitted by the laser passes through the etalon and hits the photosensitive surface of the detector. By adjusting the angle of the etalon, view the modulation waveform on the oscilloscope

     


    Test result

    图片1.png

     

     

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