ALLVAR University
Learn More About Negative CTE and ALLVAR Alloys
Add negative CTE to your design toolbelt! At ALLVAR, we aim to provide resources to help innovators design and use negative thermal expansion in their projects and applications. ALLVAR University was established as a resource to help teach the fundamentals of designing with negative thermal expansion.
ALLVAR News and Blog – Dig deeper into the regularly updated blogs to learn more about specific ALLVAR Alloys use cases and news.
Video Library – 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.
Papers and Presentations – Here you can find links to publications related to ALLVAR Alloys and externally published presentations.
SOLIDWORKS Material Definition – Want to model ALLVAR Alloy 30 within SOLIDWORKS? We can help. Request the material definition here.
Negative CTE Blog Posts
Learn more about the work being done towards negative CTE alloys and their applications in the ALLVAR blog series.
Athermalizing Mounted Doublets with ALLVAR Alloys: Unlocking New Possibilities in Athermal Optics
Increasing your options on the athermal glass map. As a ray tracer, what potential athermal designs could you unlock if optical your glass choices were
Tips for Designing with ALLVAR Alloys: Simplified Thermal Design
Want to learn more about how ALLVAR alloys can help with your thermal design? Find these tips, tricks, and rules of thumb to start designing
Looking back and launching forward: 2023 YEAR-IN-REVIEW
A Message from James A. Monroe, Founder & CEO To Everyone Rooting For ALLVAR, The ALLVAR team has been working hard in 2023 and is ready
Unlocking the Cosmos: ALLVAR’s Role in the Nancy Grace Roman Space Telescope
ALLVAR is headed to space in a big way! Find out how ALLVAR Alloys are being used aboard the Nancy Grace Roman Space Telescope to
Thermal compensation washers now available with COTS item numbers!
New commercially-off-the-shelf ALLVAR thermal compensation washer have arrived! Learn more here.
Thermal Compensating Washers for CTE Mismatch
Learn how to use negative thermal expansion ALLVAR washers or spacers to maintain a constant preload and tackle CTE mismatch.
The Evolution of Athermal Design
Athermal design owes its foundations to an 18th century clockmaker’s designs. ALLVAR Alloys will help you revolutionize your design.
Design with Athermal Materials in Solidworks
Athermal Material design is easy with the SOLIDWORKS ALLVAR Alloy 30 material definition. Request the file here and design with negative thermal expansion today!
Closing out 2022 Strong:
ALLVAR Year-in-review
ALLVAR founder, James Monroe Ph.D. , looks back at 2022 and the developments made for negative thermal expansion alloys and their applications.
Video Library
Learn More About Negative CTE 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.
- All
- Allvar University - Learn About CTE
- Demos
- Meet the Team
- NTE Spacers
- Ultra-Stable Struts
- Washers
- Webinar
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
Contact Us Today to Revolutionize Your Thermal Performance
Have an application in mind? Please let us know if you have any questions.