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Innovative Optics Manufacturing

Optical Systems: Transmissive high-energy laser optics: Manufacturing and testing considerations

There are many decisions to make when designing, specifying, manufacturing, and testing optical components for high-energy laser systems—each is a potential failure mechanism that must be understood and controlled

Measurement considerations when specifying optical coatings

Design, specification, and procurement of optical coatings all benefit when the designer has a good understanding of measurement techniques and uncertainties

Deterministic form correction of extreme freeform optical surfaces

Optimax has placed emphasis on refining the deterministic form correction process. By developing many of these procedures in house, changes can be implemented quickly and efficiently in order to rapidly converge on an optimal manufacturing method.    

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Fabrication of Freeforms

Optimax has developed a robust freeform optical fabrication CNC process that includes generation, high speed VIBE polishing, sub-aperture figure correction, surface smoothing and testing of freeform surfaces.  

Producing Smooth Surfaces on Polycrystalline ZnS Aspheres and Freeforms

Commercially available deterministic polishing methods commonly induce excessive surface roughness, or grain decoration, on polycrystalline aspheres and freeforms. The excessive surface roughness causes optical scatter and limits optimal performance. In current work, a process developed at Opti ....

Fabricating and Testing Freeform Optics

Current Capabilities, Lessons Learned and Future Opportunities Freeform optical shapes or optical surfaces that are designed with non-symmetric features are gaining popularity with lens designers and optical system integrators. A common question about freeform optics is, “If I design it, ....

Freeform optical manufacturing and testing processes for IR conformal window and dome

Complete freeform optical fabrication process that includes ultrasonic generation of hard ceramic surfaces, high speed VIBE polishing, sub-aperture figure correction of polycrystalline materials, finishing and final testing of freeform surfaces.  

Reduced cost and improved figure of sapphire optical components

Optimax’s sapphire production process achieves significant improvement in cost by implementation of a controlled grinding process to present the best possible surface to the polishing equipment.      

Specification and Control of Mid-Spatial Frequency Wavefront Errors in Optical Systems

This paper is an introduction to the specification and tolerancing of Mid-spatial frequency (MSF) ripple or waviness. OSA OF&T (2008) – D.A. Aikens, J.E. DeGroote and R.N. Youngworth, ‘Specification and Control of Mid-Spatial Frequency Wavefront Errors in Optical Systems,’ ....

Manufacturability study of CLEARCERAM® (T008) compared to other low CTE materials

This paper gives a comparison of CLEARCERAM® thermal properties as well as the manufacturability using traditional grinding and polishing methods. OSA OF&T (2008) – C. Ghio, K. Nakajima and J. DeGroote, ‘Manufacturability study of CLEARCERAM®(T008) compared to other low CTE mate ....

Better Polishing through Chemistry

This paper discusses how learning the chemical aspects of optical polishing can lead to better optics in less time. – J.E. Degroote “Better Polishing through Chemistry,” OPN, July/August, 10-12 (2008)

Transmitted Wavefront Error Correction

This paper discusses why tolerancing optical lenses in transmission rather than reflection offers financial, performance and delivery advantages for a given class of aspheric optics

Vibe: A New Process for High Speed Polishing of Optical Elements

The concept for polishing optical elements with a process called VIBE is presented, application to non uniformly sloped optics such as aspheric shapes is detailed, and initial results on spherical surfaces are presented

Round Robin Testing of the Optimax Optidome

OptiDomes are six-inch concentric F/0.53 spherical fused silica domes manufactured by Optimax Systems, Inc. The purpose of these domes is to act as a standard for metrology testing of various testing methods for measuring the surface quality, mechanical attributes and/or the transmitted wave-fr ....

Advances in ALON™ Optical Component Fabrication

This paper discusses how to reduce the overall ALON fabrication time by improving the rate and quality of the conventional grinding steps. EMWS (2008)

Increased UV transmission by improving the manufacturing process for FS

In this paper, a four-phased project to increase the performance of UV optics is discussed. SPIE Optical Manufacutring Testing VIII (2009)

Varying electro-kinetic interactions to achieve ….. on ZnS

This paper will serve as a baseline for developing an empirical model for optimizing both surface roughness and removal rate for two different types of abrasives and two pitch types with ZnS. SPIE Optical Manufacutring Testing VIII (2009)

VIBE™ finishing to remove mid-spatial frequency ripple

The VIBE™ process is a full aperture, conformal polishing process incorporating high frequency and random motion designed to rapidly remove sub-surface damage in a VIBE pre-polish step and eliminate mid-spatial frequency (MSF) errors in a VIBE finishing step

R&D and the Optics Manufacturing Shop Floor

Andrew A. Haefner, Robert R. Wiederhold, Michael P. Mandina, Jessica DeGroote Nelson, ‘R&D on the Optics Manufacturing Shop Floor,’ in Frontiers in Optics (FiO)/Laser Science (LS) (Optical Society of America, Washington, DC, 2010), FTh

VIBE™ Rapid Polishing Process to Smooth Optical Surfaces

The VIBE process is a full-aperture, conformal polishing process that uses high-frequency, random motion to rapidly remove sub-surface damage and eliminate mid-spatial-frequency surface errors. The process can also be used as a finishing step after deterministic sub-aperture polishing