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ReflX™ Objectives

ReflX™ Objectives
  • Long Working Distance, High NA
  • Ultra-Wide Spectral Band with No Chromatic Aberration
  • Infinite Conjugate Design for Focusing or Imaging Applications
  • Certificate of Compliance Included

Reflective objectives are commonly used in applications requiring superior image quality or focusing performance over a broad spectral range. The Schwarzschild-style objective exhibits near-diffraction limited performance over the full reflecting range of the chosen coating. By eliminating the problems of chromatic aberration and material absorption associated with standard microscope objectives, these components are ideal for applications requiring high throughput and excellent resolution in the UV or IR, including FTIR spectroscopy, ellipsometry, photolithography, and semiconductor inspection.

The objectives feature an infinite conjugate design for a 200mm secondary tube lens. The infinite design allows for the introduction of filters and beamsplitters, making these objectives ideal for biotech and fluorescence applications as well. For focusing applications, the beam should fill the stated entrance pupil diameter of the objective. In either case, it should be noted that the light is obscured, creating an irradiance profile with less energy in the central portion of the beam.

The ReflX™ objective design features a number of advantages over common Schwarzschild objectives. The rugged design allows these objectives to be integrated into equipment with moderate heat and vibration without sacrificing performance. All internal surfaces have been specially treated to eliminate stray light. Each objective is manufactured in the U.S.A. and assembled, tested, and certified on our Zygo GPI-XP interferometer. A certificate of compliance is included with each objective. TECHSPEC® High Performance ReflX™ objectives are available with ¼ wave transmitted wavefront (P-V). For customized versions, including laser coatings and different back tube lengths, please contact our Applications Engineering Department.

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