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Infrared zone-scanning system.

Aleksandr Belousov¹, Gennady Popov

¹Central Design Bureau "Tochpribor" (Precision Instrument), 179A, D. Kovalchuk Street, Novosibirsk 630049, Russia. tochpriborovt@online.nsk.su

|April 4, 2006

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Designing infrared viewing optical systems with zone-scanning requires overcoming challenges. This study details a simple, high-speed scanning method using a rotating polygon prism and aberration compensation techniques for practical optical system design.

Area of Science:

Optics
Infrared Technology
Optical Engineering

Background:

Designing infrared viewing systems presents challenges, particularly with zone-scanning approaches and linear detector arrays.
Simplifying scanning mechanisms is crucial for high-speed optical systems.

Purpose of the Study:

To discuss challenges in designing infrared viewing optical systems using zone-scanning.
To present a simplified scanning mechanism for high-speed line scanning.
To describe a method for calculating optical systems that compensates for aberrations during prism rotation.

Main Methods:

Utilizing a rotating refractive polygon prism with tilted facets for zone-scanning.
Implementing high-speed line scanning.
Developing a calculation method for aberration compensation during prism rotation.

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Main Results:

A simplified scanning gear is achieved through the use of a rotating polygon prism and high-speed line scanning.
A practical method for calculating optical systems that compensates for aberrations during prism rotation has been developed.

Conclusions:

The proposed method simplifies the design of infrared viewing optical systems.
The aberration compensation technique enables practical implementation of zone-scanning with rotating prisms.