SPIE PROGRAMS ON AUTOMATION AND PRODUCT ENGINEERING

The Implementation of Virtual Reality
Modern Optical Testing
Industrial Optical Metrology for Quality Control and Process Improvement

The Implementation of Virtual Reality

Steve Bryson is an employee of Computer Sciences Corporation working under contract for the Applied Research Office of the Numerical Aerodynamics Simulation Systems at NASA Ames Research Center.

This course provides an introduction to the issues encountered when implementing a virtual reality application. We will start with a description of display, interaction and computation concepts and hardware. Then the issues of performance and their implication will be examined. Finally, a systematic framework for the design of useful virtual environments will be presented. Avoiding pitfalls and finding effective compromises between conflicting requirements will be stressed.

After completing this course you will:

Be in a position to intelligently choose the interface hardware appropriate to your application
Have a conceptual structure which you can use to guide you through the major steps of designing, implementing and running a virtual reality application
Be aware of the common pitfalls to avoid them early in the design process
Be able to evaluate your applicaton to determine if a virtual reality interface is appropriate
Be aware of the human factor issues which must be considered when designing a virtual reality application

Part I: Introduction

Define virtual reality with examples
Review history and state of the art
Provide overall conceptual structure

Part II: Human Factors Consideration

Review human factors of three-dimensional perception
Describe the impact of delays and distortions on user performance
Derive performance constraints for virtual reality systems

Part III: Interface Hardware--Strengths and Weaknesses

Survey visual display technologies including display quality, optics, resolution issues
Survey body tracking technologies, including signal distortion
Survey other technologies

Part IV: The Computer Platform

Survey graphical rendering and optimization
Survey computational and data management issues and optimization
Describe operating systems
Describe how to design an effective software architecture

Part V: Application Design

Evaluate whether your application benefits from a virtual reality interface
Evaluate whether your application can run within the virtual reality performance constraints
Selection of virtual objects and tools appropriate to your application
Choice of appropriate environment and interface metaphors for your application
Critical examination of some examples

Intended Audience: Experienced application programmers and developers who are considering applying virtual reality concepts to their application fields.

Order Number: VT0993

Length: 5 hours

Individual Price: List US$395

Site License: List US$1,000

Modern Optical Testing

James C. Wyant is a professor at the Optical Sciences Center at the University of Arizona and the president and founder of WYKO Corporation.

This course describes the basic interferometry techniques used in the evaluation of optical components and optical systems. It discusses interferogram interpretation, computer analysis, and phase-shifting interferometry, as well as various commonly used wavefront-measuring interferometers. The instructor describes specialized techniques such as testing windows and prisms in transmission, testing 90-degree prisms and corner cubes, measuring index inhomogeneity, measuring radius of curvature, testing cylindrical and aspheric surfaces, determining the absolute shape of flats and spheres, and the use of infrared interferometers for testing ground surfaces. The course also covers state-of-the-art direct phase measurement interferometers.

This course will enable you to:

Better specify optical components and systems
Produce higher-quality optical systems
Determine if an optics supplier can actually supply the optics you are ordering
Evaluate optical system performance

Part I: Basic Interferometry and Interferometers for Optical Testing

Learn basic principles of interferometry
Describe how interferometers can be used to test optical systems
Compare use of Twyman-Green and Fizeau interferometers
Summarize basic techniques for testing flat and spherical and spherical surfaces

Part II: Analyzing Interferograms

Learn methods for getting interferogram data into computer
Classify types of computer analysis of interferometric data
Explain phase-shifting interferometry

Part III: Testing of Flat and Spherical Surfaces

Describe ways of testing windows, prisms, and corner cubes
Explain methods of measuring radius of curvature
Describe measurement of index inhomogeneity

Part IV: Testing of Ground and Aspheric Surfaces

Explain use of long-wavelength interferometry to test ground surfaces
Compare basic techniques for testing aspheric surfaces
Identify limitations of current aspheric testing techniques

Part V: Absolute Measurements and Discussion of State-of-the-Art Direct Phase - Measurement Interferometers

Describe procedures for performing the absolute measurement of flats and spheres
Summarize the capability of state-of-the-art direct phase measurement interferometers
Predict directions of future development of optical testing techniques

Intended Audience: Engineers and technical managers who are involved with the construction, analysis or use of optical systems.

Order Number: VT0592

Length: 5 hours

Individual Price: List US$395

Site License: List US$1,000

Industrial Optical Metrology for Quality Control and Process Improvement

Instructor: Kevin Harding is a principal scientist at the Industrial Technology Institute, a not-for-profit industrial R&D center in Ann Arbor, Michigan.

This course will provide a practical background on the capabilities and industrial application considerations of optical based measurement and monitoring technology. The fast-monitoring field of laser-based gaging, 3-dimensional measurement, and automated machine monitoring technology will be presented within a framework of real-life applications to durable goods and electronics manufacturing. The information provided will allow you to effectively evaluate and apply the latest commercial, optical-based technologies to the needs of high-accuracy and high-volume production.

This course will prepare you to:

Comprehend the wide range of optical-based technologies available to assist modern-day manufacturing practice
Select the most appropriate optical tools to address specific problems in your manufacturing process
Address the application engineering issues necessary for a successful installation of optical-based technologies
Fully realize the potential benefits of the newest optical-based tools for improvement of your products and processes

Part I: Introduction to Optical-Based Measurement Methods

Define measurement terms for optical-based systems
Classify basic mechanisms of optical-based measurements
Diagram basic components of optical metrology systems

Part II: Overview of Optical/Location Position Sensors

List optical-based location/position sensor systems
Diagram sensor components and operations
Compare sensor performance parameters

Part III: Overview of Optical Geometric Sensors

List 2D and 3D optical-based sensor systems
List optical-based surface roughness sensors
Diagram sensor components and operations
Compare sensor performance parameters

Part IV: Review of Optical-based Testing Systems

Explain interferometric measurement methods
Interpret interference fringe data
Diagram IR-based testing systems
Design process diagnostic tests

Part V: Comparison of Measurement Applications

Classify metrology operations
Select the proper optical tool
Formulate and application plan
Evaluate the performance of the application

Intended Audience: This course is for engineers doing manufacturing design and plant floor installations who must solve problems of quality control and process improvement to meet customer needs.

Order Number: VT042194

Length: 5 hours

Individual Price: List US$395

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