Tech Briefs Magazine - November 2023 - PIT-4
Lenses & Optics
A machine used by RPO to design and produce precision plastic optical components at its Rochester,
New York facility.
Chalcogenide glasses can be fabricated
into optical elements with the same
techniques as the germanium, but they
have the inherent advantage of being
glass which allows many of the compositions
to be hot-formed into optical
elements. The material distinction allows
the use of precision glass molding
directly to optical elements with complex
aspherical profiles, diffractive surfaces,
freeform optics, and lens arrays.
Chalcogenides offer an unprecedented
degree of design flexibility
and can be meticulously engineered
to meet precise optical requirements.
This adaptability enables the creation
of custom optical components tailored
to diverse applications, ensuring optimal
optical performance. Because
the concentrations of materials used
in the melting process when forming
chalcogenide glass can be precisely
controlled, key optical parameters such
as refractive index and dispersion can
be engineered at the molecular level
making chalcogenide glass extremely
customizable. Another feature from the
ability to customize the composition of
the chalcogenide glasses is the ability
to have a significantly extended transmission
range when compared to germanium,
toward the visible or further
into the infrared. This broader range
unlocks new possibilities in infrared
imaging and spectroscopy by accessing
wavelengths previously out of reach
with germanium optics.
Applications and Use Cases
Chalcogenide optics can be utilized
in various applications and use cases
where these materials have demonstrated
their prowess in enhancing optical
performance.
Chalcogenide glass has emerged as
a powerhouse in the realm of infrared
imaging. Their exceptional properties
improve image quality and overall performance,
especially in fields where
identifying a thermal signature, chemical
sensing, and infrared lasers are paramount.
Identifying
a thermal signature
is
The CLASSIC series Chalcogenide developed by RPO.
4
critical to the success of surveillance,
defense, and search & rescue applications.
The identification of a person's
thermal signature (person of interest)
vs. a vehicle (active/running vehicle)
vs. electronics (hidden but active electronics,
and increased resistance in circuits)
will increase success rate of the
desired application. Many military sysPhotonics
& Imaging Technology, November 2023
Tech Briefs Magazine - November 2023
Table of Contents for the Digital Edition of Tech Briefs Magazine - November 2023
Tech Briefs Magazine - November 2023 - Intro
Tech Briefs Magazine - November 2023 - Sponsor
Tech Briefs Magazine - November 2023 - Cov1
Tech Briefs Magazine - November 2023 - Cov2
Tech Briefs Magazine - November 2023 - 1
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Tech Briefs Magazine - November 2023 - Cov3
Tech Briefs Magazine - November 2023 - Cov4
Tech Briefs Magazine - November 2023 - PIT-Cov1
Tech Briefs Magazine - November 2023 - PIT-Cov2
Tech Briefs Magazine - November 2023 - PIT-1
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Tech Briefs Magazine - November 2023 - PIT-4
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Tech Briefs Magazine - November 2023 - PIT-Cov3
Tech Briefs Magazine - November 2023 - PIT-Cov4
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