Seismic isolation platform, no laser interferometer, PhaseCam.
4D Technology Corporation PhaseCam Series
A real-time dynamic interferometer that can eliminate or miniaturize the vibration isolation table essential for measurements with large-diameter and long-focus optical systems.
To perform ultra-high-speed interferometric measurements, the effects of vibrations and air turbulence are minimized, allowing for real-time wavefront measurement. Since the measurement uses the Twyman-Green interferometry method, a Fizeau surface of a similar size is not required even for large-diameter optical systems. By using a diverging lens, various extended measurements are possible.
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basic information
A Twyman-Green interferometer with a mechanism that can simultaneously measure four phases instantaneously, eliminating the need for a vibration isolation table that was essential for measuring large optical systems. It enables stable and reliable measurements using a He-Ne laser. Excellent analysis software allows for Zernike, Seidel, and Fourier analysis, outputting in 2D/3D images. The data formats from Zygo and Wyko can be reused, making it possible to utilize past data.
Price information
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Price range
P7
Delivery Time
※Approximately 4.5 months.
Applications/Examples of results
It is exclusively used for measurements of the 8.4m large-diameter mirror for space observation and the next-generation Hubble telescope (JWST, 6m). It also has a proven track record in the development of space observation instruments within Japan. With various optical options (subject to consultation), it can accommodate measurements of optical equipment in various shapes.
Line up（2）
| Model number | overview |
|---|---|
| PhaseCam4000 Series | A budget version of the PhaseCam5000 series, where all optical and electrical controls have been made manual. It has wide expandability, allowing customization for various special specifications. |
| PhaseCam5000 Series | All optical zoom, focus adjustment, and Beam Ratio adjustment (changing the light intensity to the test surface and reference surface by adjusting the extinction ratio of polarization) can be controlled remotely with electric controls. Suitable for applications such as controlling measurements in a clean room from outside. |
Company information
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