Dr. R. Barry Johnson
Consultant at
SPIE Involvement:
Audit Committee | Awards Committee | Past Presidents | Fellow status | Conference Chair | Conference Program Committee | Symposium Chair | Editor | Author | Instructor
Publications (65)

SPIE Conference Volume | December 16, 2016

PROCEEDINGS ARTICLE | September 27, 2016
Proc. SPIE. 9947, Current Developments in Lens Design and Optical Engineering XVII
KEYWORDS: Black bodies, Infrared radiation, Meteorology, Thermography, Pyrometry, Temperature metrology, Visible radiation, Photometry, Photons, Astatine

SPIE Conference Volume | September 28, 2015

PROCEEDINGS ARTICLE | October 7, 2014
Proc. SPIE. 9249, Electro-Optical and Infrared Systems: Technology and Applications XI
KEYWORDS: Sensors, Black bodies, Infrared radiation, Target detection, Temperature metrology, Thermography, Infrared sensors, Infrared detectors, Photons, Tungsten

SPIE Conference Volume | September 30, 2014

SPIE Conference Volume | October 18, 2013

Showing 5 of 65 publications
Conference Committee Involvement (26)
Current Developments in Lens Design and Optical Engineering XIX
19 August 2018 | San Diego, California, United States
Current Developments in Lens Design and Optical Engineering XVIII
7 August 2017 | San Diego, California, United States
Current Developments in Lens Design and Optical Engineering XVII
31 August 2016 | San Diego, California, United States
Current Developments in Lens Design and Optical Engineering XVI
10 August 2015 | San Diego, California, United States
Current Developments in Lens Design and Optical Engineering XV
19 August 2014 | San Diego, California, United States
Showing 5 of 26 published special sections
Course Instructor
SC1111: Useful Lens Design Methods
The course objective is to enhance the skills and knowledge of attendees to move into the exciting world of contemporary lens design and develop practical lenses needed for the great variety of 21st-century applications. A variety of fundamental methods and procedures will be explored that are useful in designing practical lens systems. Although most modern lens design programs offer some means for the program to creatively design lenses, the lens designer still needs to be able to guide the program by understanding (1) what basic lens configuration is appropriate, (2) the practicability of lenses designed by the program, and (3) what alternative configuration changes can be made to achieve design objectives.
SC1138: Infrared Optics Design Principles
The course objective is to enhance the skills and knowledge of attendees to move into the exciting world of contemporary infrared optical design and develop practical optics needed for an expanding variety of 21st-century infrared systems applications. Although most modern lens design programs offer some means for the program to creatively design lenses, the lens designer still needs to be able to guide the program by understanding (1) what basic lens configuration is appropriate, (2) the practicability of lenses designed by the program, and (3) what alternative configuration changes can be made to achieve design objectives. A variety of methods and procedures will be explored that are useful in designing practical refractive, reflective, and catadioptric fixed-focus and zoom infrared optical systems. A number of design issues peculiar to infrared optical systems, such as materials, narcissus, cold stop/shield, Lyot stop, and thermal compensation, will be discussed.
SC385: Lens Systems and Their Basic Aberrations
This course provides the attendees with an understanding of basic image formation, simple optical systems, commonly used complex lens systems, aberrations of lens systems, performance estimation, and methods to select or evaluate lens systems. Techniques to select "off-the-shelf" optics to meet an imaging need are discussed. Practical aspects of understanding lenses and their selection are incorporated throughout the course.
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