Published Papers

Videos From the Optical Society

OSA Stories  The Optical Society offered Robert (Bob) Parks an opportunity to share his stories of excitement and inspiration in a couple of short videos. (ANNOUNCEMENT FROM THE OPTICAL SOCIETY) OSA CAM VIDEOS We’re Celebrating All Members (CAM) by inviting members attending many OSA meetings and congresses with an opportunity to share their stories. View OSA […]
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News Announcement About What is Happening in 2018 for OPG

For the last three years Optical Perspectives Group, LLC (OPG) had a licensing agreement with Trioptics-USA to manufacture and sell OPG products exclusively world-wide. OPTICAL PERSPECTIVES GROUP, LLC (OPG) AND TRIOPTICS-USA MUTUALLY DECIDE TO END LICENSING AGREEMENT  Toward the end of last year it was becoming clear that this arrangement was not in the best […]
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Centering Steep Aspheric Surfaces

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1. INTRODUCTION Finding the optical axis of an aspheric surface is an essential part of making an aspheric lens because the center of curvature, or optical axis, of the second side must lie on, or be coincident with, respectively, the optical axis of the first side for maximum optical performance. Looking at the center of […]
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Computer Generated Holograms As Fixtures For Testing Optical Elements

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1. INTRODUCTION It is common to think of computer generated holograms (CGH) as artifacts for testing aspheres but they can also be used as general calibration artifacts and fixtures for the alignment and test other more conventional optics. We show how simple Fresnel zone patterns can be created to simulate centers of curvature or axes […]
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New Instructions for Using CaliBall

USING THE CALIBALLTM TO CALIBRATE INTERFEROMETER TRANSMISSION OR REFERENCE SPHERES USING THE RANDOM BALL TEST IS ALMOST FOOL PROOF. However, observing a few simple precautions will improve the results of the calibration. These precautions are detailed in the “Instructions for Using CaliBall” in approximately the order they should be followed.
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Webinar: The Autostigmatic Microscope and Its Uses

This webinar with Robert Parks is presented by the OSA Systems and Instrumentation Technical Group. Topics discussed include the evolution of the classical autostigmatic microscope (ASM) into an all-purpose optical alignment tool whose use has been described in over 60 optical engineering papers that illustrate real-world systems applications. The evolution that led to the current […]
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清原光学　営業部   Kiyohara Optics / Sales
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