Optical Engineering Archives

Understanding Optical Filter Cost Drivers: A Technical Guide

By Holly Peterson | December 12, 2025

Optical filters serve as critical components in imaging, sensing, and detection systems across industries from biomedical instrumentation to aerospace. While performance requirements are paramount, understanding the cost drivers behind precision optical coatings enables engineers to make informed design decisions that optimize both functionality and budget. The Cost-Performance Balance With decades of experience in precision optical…

BEAM Spotlight Series: Dave Litwinovich — Three Decades of Engineering Excellence

By Holly Peterson | June 13, 2025

BEAM Series: Trends in optics for Laser-Based Technology

As part of our BEAM Spotlight Series (BEAM: Engineering), we’re proud to highlight the people behind the precision—those who quietly push boundaries and build the systems that keep Andover Corporation moving forward. Few embody that spirit more than Dave Litwinovich, our Vice President of Technology, who has spent nearly three decades transforming not just our engineering department, but the entire foundation of our production capabilities.

Thomas Grubb – Ireland’s Optical Pioneer

By Rick Shagoury | March 17, 2025

This St. Patrick’s Day, Andover Corporation celebrates Ireland’s own Thomas Grubb, a pioneer in optical engineering during the 19th century.

Celebrating Italian-American Heritage in Optical Science: The Legacy of L.M. Narducci

By Rick Shagoury | October 4, 2024

The Legacy of L.M. Narducci Celebrating Italian-American Heritage in Optical Science: The Legacy of L.M. Narducci Published by Andover Corporation on Oct 4, 2024 2:06:45 PM October is Italian American Heritage Month, a time to celebrate and reflect upon the incredible achievements made by Italian-Americans across numerous fields. Among those who have made an indelible mark on science and…

Enhancing Precision in Defense: Optical Components for Targeting Pods

By Rick Shagoury | September 16, 2024 |

A close-up of a modern targeting pod displayed on a clear stand at an outdoor exhibition. The pod features multiple optical windows, which may utilize chalcogenide glass for enhanced infrared performance. A caution label warns of rotating parts, highlighting the pod’s gimbal stabilization system. Targeting pods like this are essential for military aircraft, providing advanced electro-optical and infrared (EO/IR) capabilities for precision targeting and reconnaissance.

Explore Andover Corporation’s expertise in optical components for targeting pods, enhancing precision in defense applications.

Celebrating National Aviation Day

By Rick Shagoury | August 20, 2024 |

A formation of advanced stealth fighter jets flying above the clouds, with the lead aircraft prominently featured in the foreground. The aircraft's sleek design integrates cutting-edge aerospace optics and sensor systems, including electro-optical targeting and infrared detection for enhanced situational awareness and precision targeting. Modern aviation relies on high-performance optical coatings and materials, such as chalcogenide glass, to optimize visibility, targeting accuracy, and operational effectiveness in diverse combat environments.

Celebrate National Aviation Day with Andover Corporation’s decades of optical expertise supporting critical aviation and aerospace innovations.

Space-Qualified Optical Filters

By Rick Shagoury | July 19, 2024 |

A satellite orbits Earth against the backdrop of space, with its solar panels extended and various instrumentation visible. The satellite's reflective surfaces and sensors highlight the importance of space-qualified optics and optical filters, which enhance image clarity, reduce glare, and protect sensitive components from harsh space environments.

Discover Andover’s space-qualified optical filters. Designed for extreme conditions, our products ensure reliability and precision in space missions.

Celebrating Pride Month: Honoring John Burnside’s Legacy of Innovation

By Rick Shagoury | June 1, 2024 |

$A mesmerizing, prismatic view through a teleidoscope, showcasing a kaleidoscopic pattern of vibrant, refracted light. The intricate geometric reflections create a dynamic interplay of colors, with crystalline shapes forming a symmetrical, ever-shifting optical display. Unlike a traditional kaleidoscope, a teleidoscope transforms real-world scenes into abstract patterns using an optical lens and mirrors, making it a fascinating optical instrument for exploring symmetry and light refraction.$