Reliable Qualification of Large CRA & FOV lenses

Modulation transfer function, wavefront error, lens parameters in a single click

Phasics' wavefront sensing technology provides accurate on-and-off axis MTF calculation of objective lenses even with large field of view and large chief ray angle. Metrology solutions are available from the stand-alone wavefront sensor to the fully automated test station. All solutions benefit from Phasics' unique wavefront measurement technology and perform reliable and comprehensive measurements while staying an easy-to-use metrology tool. Lens test stations (integrated machines and optical test benches) and wavefront sensors are available in the UV, NIR, SWIR, MWIR, and LWIR bands. Phasics' metrology tools address the needs for lens quality control in R&D and production.

 

Measurement outputs

On and Off axis MTF is measured at various wavelengths using KALEO MTF and QWSLI technology

MTF at multiple wavelengths

Wavefront error is measured using KALEO MTF and QWSLI technology

Wavefront aberrations

Geometric and radiometric lens parameters at various wavelengths using KALEO MTF and QWSLI technology

Geometric & radiometric lens parameters

Advantages

Accurate and reproducible results

  • 0.5% MTF precision 
  • 20 nm RMS OPD accuracy 
  • < 0.05% distortion repeatability 

 

Simple measurement setup

  • Direct setup: no relay lens, no null lens
  • Automatic sample alignment
  • Automatic wavelength switch

Complete qualification

  • On and off axis MTF and TF MTF
  • Multiple wavelengths
  • OPD in the exit pupil

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