Newsletter | April 21, 2025

04.21.25 -- Cutting Satellite Brightness To Preserve Night Skies, How Filters Are Specified, Intro To Edge Filters & More

FROM THE EDITOR

From Starlink To VisorSat: Cutting Satellite Brightness To Preserve Our Night Skies

The use of anti-reflective coatings on satellites can significantly reduce light pollution, aiding astronomy while balancing space innovation.

FEATURED ARTICLE

Why Flexibility Is Important In Optics Material Selection

Dan Bukaty Jr., President of Precision Glass & Optics discusses why a flexible approach to material selection in the manufacturing process is important to help protect optics manufacturing lead times against material shortages.

SPOTLIGHT ON OPTICAL COATINGS & FILTERS

Optical Filters For 1550 nm Light Sources In Sensing Applications

The 1550 nm band can supplement or replace the 905 nm band in automotive lidar applications. HOYA offers superior filtration options for designers operating in both bands. 

Application Of ND Filters In LCD And CRT Panels For Aviation

This article discusses how to improve the visibility of displays in the cockpit during daylight with neutral density (ND) filters.

INDUSTRY INSIGHTS

Introduction To Edge Filters

By IDEX Health & Science | Semrock | Melles Griot

Edge optical filters selectively transmit or block specific wavelengths. They are essential in fluorescence imaging, Raman spectroscopy, and laser applications.


How A Filter Is Specified

By Iridian Spectral Technologies

By comprehending the filter function and implementing appropriate conditions, the filter design team can develop a filter specification that guarantees the filter meets the functional requirements.


LEDs and Multi-Bandpass Filters Transform Fluorescence Instrumentation

New combinations of LED technology and multi-bandpass filters are expanding fluorescence capabilities, offering durable, versatile, and efficient tools for detailed biological analysis across various fields.

G&H Launches ATOFs Into Space

By G&H

Acousto-optic tunable filters (AOTFs) consist of solid-state technology partnered with high speeds and random-access tuning. G&H is adept at supplying optical components and sub-systems for demanding applications.


RECENT NEWS

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Secure Communications Even In Extreme Conditions Thanks To Chaotic Light

Researchers Leverage AI And Nonlinear Optics To Advance Ultrafast Photonicss

Accelerator Physics: First Electron Beam In SEALab

Copper Metallized TOPCon Solar Cell Achieves Efficiency Milestone

PsiQuantum Announces $10.8M Contract With Air Force Research Laboratory

Laser Welding Brought To Quantum Technology: Reliable Fiber-PIC Connections

Photonic Inc. Selected For DARPA's Quantum Benchmarking Initiative Stage A

Doubling Down On Metasurfaces

AkzoNobel Bonds With IPG Photonics Over Laser Curing For Powder Coatings

BULLETIN BOARD

Semrock OEM Brochure

Semrock specializes in high-volume optical filters for life sciences and laser applications, offering superior performance, reliability, and rapid prototyping with industry-best lead times and precision engineering.

Industrial Filters Brochure

Explore details and specifications of a vast line of industrial filters, including UV and IR cut filters, infrared filters, neutral density filters, anti-reflection coatings, and more.

FEATURED SOLUTIONS

Qualifire 1.2+ Specifications

Digital Galvano Scanning System: GM Series

ULTRA Series Dielectric Mirrors

Fluorescence Microscopy

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