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MICRO-CONTROLE / Spectra-Physics
Reflective Microscope Objectives

Reflective Microscope Objectives

Product catalog summary

Technical Reference and Fundamental Applications

This document serves as a guide for selecting various optical components, including spherical lenses, cylindrical and specialty lenses, optics sets, optical systems, mirrors, and prisms. It provides detailed specifications and applications for reflective microscope objectives.

Reflective Microscope Objectives

Newport's Reflective Microscope Objectives are based on the Schwardchild design, offering zero chromatic aberration and minimal other aberrations. They are available in 15X and 36X magnifications, with broadband coatings of aluminum and magnesium fluoride (MgF2), suitable for use from 200nm to 20µm. Custom coatings are available for specific wavelength ranges.

Key Features:

Wide spectral band
Long working distances
High numerical apertures
Zero chromatic aberration
Negligible coma, spherical, and astigmatic aberrations

Applications:

UV Metrology and Microscopy
Spatial Filtering
Photomicroscopy
Laser Energy Delivery Systems
FT-IR Spectroscopy

Specifications:

The document includes detailed dimensional diagrams and specifications for different models of reflective microscope objectives, including magnification, numerical aperture, back focal length (BFL), working distance, field of view, focal length, obscuration percentage, and secondary mirror diameter.

Reflectance Curves:

Typical reflectance curves for aluminum and gold coatings are provided, illustrating their performance across different wavelengths.

Ordering Information:

Models are available with different magnifications and back focal lengths, and custom configurations can be requested.

Catalog excerpts

O p t i c s 495 Email: [email protected] • Web: newport.com TECHNICAL REFERENCE AND FUNDAMENTAL APPLICATIONS LENS SELECTION GUIDE SPHERICAL LENSES CYLINDRICAL AND SPECIALTY LENSES OPTICS SETS OPTICAL SYSTEMS MIRRORS PRISMS Reflective Microscope Objectives Newport Reflective Microscope Objectives are reverse Cassegrains following the Schwardchild design. Accordingly, they have zero chromatic aberration, and negligible coma, spherical, and astigmatic aberrations. We offer 15X and 36X objectives, broadband coated with aluminum and over coated with magnesium fluoride (MgF2). They are usable from 200nm to 20ìm. Special coatings are available upon request including MgF2 optimized for the 157 to 195nm region, and gold for the visible to IR region. A) B) COLLIMATED LIGHT APERTURE HOLE SECONDARY MIRROR PRIMARY MIRROR 160 mm Back Focal Length A) Diagram of a typical focusing application of a reflective microscope objective B) Illustration of the rear focal plane of a 160 mm back focal length objective • Wide spectral band • Long working distances • High numerical apertures • Zero chromatic aberration • Negligible coma, spherical, and astigmatic aberrations • UV Metrology and Microscopy • Spatial Filtering • Photomicroscopy • Laser Energy Delivery Systems Dimensions • FT-IR Spectroscopy Dimensions [in. (mm)] Model A B C D E F G 50105-01 1.94 (49.3) N/A 1.52 (38.6) 0.94 (24.0) 12.0° 23.6° 6.30 (160.0) 50105-02 1.94 (49.3) 0.383 (9.72) 1.52 (38.6) 0.94 (24.0) 12.0° 23.6° N/A 50102-01 1.94 (49.3) N/A 1.52 (38.6) 0.41 (10.4) 15.0° 30° 6.30 (160.0) 50102-02 1.94 (49.3) 0.212 (5.3) 1.52 (38.6) 0.41 (10.4) 15.0° 30° N/A Mounting threads are 0.800-36 RMS

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496 Phone: 1-800-222-6440 • Fax: 1-949-253-1680 O p t i c s TECHNICAL REFERENCE AND FUNDAMENTAL APPLICATIONS CYLINDRICAL AND SPHERICAL LENSES LENS SELECTION GUIDE SPECIALTY LENSES PRISMS MIRRORS OPTICAL SYSTEMS OPTICS SETS Specifications A B C D E F Dimensional diagram of Newport Infinite BFL Reflective Microscope Objective C D E F A G Dimensional diagram of Newport 160 mm BFL Reflective Microscope Objective Model Magnification Numerical Aperture BFL (mm) Working Distance (mm) Field of View (mm) Focal Length (mm) Obscuration (%) Secondary Mirror Diameter (mm) 50105-01 15X 0.4 160 24.0 1.2 13.0...

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