It can measure small-sized window pieces and makes it easier to replace the test samples. The Flat Panel Window Distortion Detector features a four-wavefront transverse shear optical common-path interferometer with a variable shear rate. The interferometer system has a compact structure and stable interference fringes. The system uses self-interfering wavefront technology to detect distortion in parallel planes and transmitted wavefronts, making it particularly suitable for on-site quality inspection in the workshop. The equipment offers a high cost-performance ratio.
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Product name |
Flat Panel Window Distortion Detector |
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Detectable sample aperture (mm) |
Up to 100, there are two interchangeable aperture sizes of 40 and 100 |
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CCD pixels |
2048*2048 |
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Wavelength (nm) |
633±10 |
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Dynamic range (um) |
100 |
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Precision PV value (λ) |
Better than 1/10 wavelength |
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RMS measurement repeatability (λ) |
1/1000 wavelength |
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Sensitivity (nm) |
2 |
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Real time display frame rate (Hz) |
15 |
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The system is equipped with random equipment |
Image processing computer |
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Processing software |
The software "Industrial Window Component Distortion Detection Instrument" can display real-time output wavefront values such as PV value, RMS value, and POWER value |
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Overall dimensions (including sample stage) (mm) |
600 (length) x 300 (width) x 180 (height) |
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Total weight (KG) |
30 |
◆Common path self interference - no reference plane required
◆Good vibration resistance, no need for isolation platforms, can be applied for testing in ordinary workshop environments
◆Good real-time performance, able to achieve dynamic detection of dozens of frames
◆Good cost-effectiveness, simple adjustment, and compact structure
The BOJIONG Flat Panel Window Distortion Detector was compared with the results obtained from the ZYGO GPI interferometer, which is currently commonly used internationally. The average values of PV, RMS, and POWER for the same component were calculated after being measured separately in two devices, and the results were consistent. The equipment has been applied to the workshop site.
◆Detection of distortion of flat glass in smartphones and high-definition monitoring windows
◆Beam quality detection and transient wavefront detection
◆Can be used for high-precision optical system image quality detection
◆Bioquantitative phase microscopy imaging
◆Optical flat panel components, sapphire substrates, precision metal surfaces, and other surface shapes, as well as transmission wavefront detection
◆Detection of adaptive optical wavefront sensing and other aspects
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Transmission wavefront detection results of sapphire components |
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Surface shape detection of optical components |
BOJIONG developed the Flat Panel Window Distortion Detector based on the principle advantage of common path self interference of FIS4 four wave interferometric sensor. This device can perform real-time detection of the surface shape of planar optical elements within a 100mm aperture. The beam carrying the surface shape information of the measured element diffracts through a specially encoded grating, dividing the wavefront horizontally into four and forming a four wavefront common path shearing two-dimensional interference pattern. By demodulating the two-dimensional interference, the surface shape information of the element is obtained.
◆At the same time, the software supports exporting raw data of measurement results, providing quantitative detection data support for various studies, and facilitating users to conduct data analysis and research in the future.
◆Equipped with the "Flat Panel Window Distortion Detector" software, it can display and output real-time 3D images of the measured optical element plane, output PV values, RMS values, and POWER values of the measured surface.
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