Twyman-Green interferometer for the visible wavelength range

Twyman-Green-Interferometer von 4D Technology

  • Wavelengths: 532nm and 632.8nm 
  • For telescope optics, large mirrors and optical systems (also in real time) 
  • Vibration-independent dynamic interferometer 
  • Small compact designs  
  • For maximum repeatability and precision 
  • 4MP camera for high-resolution images 
  • Measurements under 30µsec 

Contact person: Mr. Michael Zerbin

The PhaseCam from 4D Technology is a high-precision Twyman-Green interferometer that is widely used in science and industry. It is used to measure wavefronts and analyze optical components. This allows it to detect even the smallest deviations in the optics and ensures that high quality is maintained. Therefore, this laser interferometer is an indispensable tool for the optics industry and scientific applications.

Combining a high-resolution sensor with simple manual control, the PhaseCam offers excellent performance and is supported by full-featured analysis software. 4D Technology's patented Dynamic Interferometry® technology enables wavefront measurements in less than 30 microseconds, allowing the PhaseCam to be used in almost any condition without the need for vibration isolation.

Thanks to the user-friendly “4Sight Focus” software, the PhaseCam offers a complete package for measuring telescope optics, large mirrors and optical systems.

The laser interferometer for the visible wavelength range is versatile. It is ideal for measuring large, focal optics and optical systems, such as concave telescope mirrors and lens systems. It is also excellent for testing afocal components with a small aperture, such as flat mirrors and collimators. In addition, it can precisely measure adjusting elements such as scanning mirrors.

If you want to carry out measurements in clean room conditions, there are specially adapted systems that meet your requirements.

As standard, this laser interferometer is available in wavelengths of 532 nm and 632.8 nm for the visible range and 1064 nm and 1550 nm for the short-wave infrared range. For special applications in the MWIR or even the long-wave infrared range, we also offer wavelengths down to 10.6 µm. This gives you a tailor-made solution for your specific needs.

Applications

  • concave mirrors  
  • Fast alignment of complex optical systems 
  • Wavefront transmission errors in focal systems (TWE) 
  • Large primary mirrors 
  • Concave secondary mirrors 
  • Segmented mirrors 
  • Cryovac and thermal tests 
  • Adaptive optics
  • Use in cleanrooms (cleanroom version) 
  • Quality control in production 
  • Electronic Speckle Pattern Interferometry 

data sheet

PhaseCam 6110 532nm

PhaseCam_4030_Data_Sheet

PhaseCam_6010_Visible_Data_Sheet

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