Video Library
Learn More About Negative Thermal Expansion and ALLVAR Alloys
Add negative CTE to your design toolbelt! ALLVAR offers a wide range of educational videos on the principals of thermal expansion. Learn how these properties fit into the design of optical and mechanical systems. Want to see negative thermal expansion in use? Check out the demo videos to see ALLVAR Alloys in action.
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Athermalizing Optics Part 2: Athermal Doublet Example with ALLVAR Alloy 30
Athermalizing Optics Part 1: Understanding the equations
CTE Part 3 – Average and Instantaneous CTE in Some Real Materials
Optics Part 2 – The Coefficient of Thermal Defocus on Real Materials
Optics Part 1 -The Coefficient of Thermal Defocus
Creating a Zero Thermal Expansion Part 3 -Tailoring Thermal Expansion to Achieve Zero Expansion with ALLVAR Alloys
CTE Part 1 – Average and Instantaneous Calculations
CTE Part 2 – How to Choose Between Average or Instantaneous Calculations
Creating a Tuned Thermal Expansion Part 2 – Tailored Expansion with Multi-Components
Creating a Tailored Thermal Expansion Part 1 – Using ALLVAR Negative Thermal Expansion Alloys to create a target CTE.
Passive Athermalization Solutions for Optical System Alignment
Meet the ALLVAR Team
Jeremy McAllister talks at SPIE AR/VR/MR
Dr. James A. Monroe Talks about SPIE AR/VR/MR
Application: Negative Thermal Expansion Components for Thermal Focus Stability in optics
Visual Comparison of Thermal Focal Shift in Common IR Optic Materials versus ALLVAR
Watch What A Negative Thermal Expansion Washer Can Do!
Reducing the length of athermal optics with ALLVAR Alloys
Deriving a Passive Athermalization Figure of Merit for Length Comparison
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Have an application in mind? Please let us know if you have any questions.
