Newsletter | November 29, 2021

11.29.21 -- What Are Thin-Film Optical Filters? | Bright Ideas

From The Editor
Industry Insights
Stopping The Spread Of COVID-19

When you compare N95 respirators to handmade cloth coverings, not all masks are created equal. By evaluating a cough or sneeze using a high-speed imaging technique called background-oriented schlieren, it’s possible to study mask performance.

What Are Thin-Film Optical Filters?

Thin-film optical filters are made by depositing alternating thin layers of materials with special optical properties onto a substrate, such as optical-grade glass. As light makes its way through the optical filter, its direction changes as it passes from one layer to the next, resulting in internal interference.

Stability Of Silicon Photodiodes For Laser Emission Measurements

This white paper’s objective is to examine the suitability of silicon photodiodes as the transducer and to discuss the calibration accuracy, reproducibility, and stability that are likely to be achieved from a commercial company.

BOROFLOAT & Optical Mirrors: A Union Of Inspiration & Quality
This white paper introduces BOROFLOAT, the world’s first borosilicate glass by SCHOTT; explains how it is used in the Hobby-Eberly Telescope (HET); and describes its exceptional optical and thermal properties.
Oleophobic Vs. Hydrophobic Glass Coatings

Oleophobic coatings are well-suited for projected capacitive (PCAP) and capacitive touch screens, handheld devices, teleprompters, virtual reality applications, and more. Hydrophobic coatings do not allow water to bond with the surface of the glass.

Lens Specs Matter, So Do Your Homework!

Engineers are a special breed known for their love of precision and efficiency. So why is it then that a growing number of inquiries about lenses are asked without any forethought given to the lens specifications, performance requirements, and system and design context?

Recent News
Featured Multimedia
Beamage Camera Introduction
The BEAMAGE-4M is a beam-profiling camera designed for accurate profile measurements of very small beams. The camera utilizes a USB 3.0 for the transfer rates up to 10x faster than regular USB 2.0 connections. Check out the video for a brief introduction.
An Inside Look At ZYGO's Precision Optical Manufacturing Operations

ZYGO is focused on bringing solutions centered around precision optical components, extreme precision optical components, and optical assembly services. With abilities to work on a build-to-print basis or build a design from scratch through to volume production, ZYGO offers in-process quality assurance to make sure end product meets or exceeds the customer's specifications.

Video: Irradiance And Dosage Sensor: PD300RM-UVA

Measure irradiance and dosage in applications using broadband UV and visible LEDs. In this short video, you’ll learn what the Ophir PD300RM-UVA does and how to use it.

Bulletin Board
Sharp Cut Filters Catalog

Hoya’s sharp cut filters range from L37 through R68 glass types and are able to cover the visible region from 370 nm through 680 nm.

Featured Solutions
High-Speed Filter Wheels
The filter wheel system can be provided as a stand-alone unit with a ProScan® controller. A large selection of microscope adapters are available to mount the wheels to either excitation or emission ports.
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Prior Scientific Inc.
Z-Axis Piezo Nanopositioners

Mad City Labs originated the designs for low-profile Z-axis piezo nanopositioners. These stages are widely used for optical microscopy techniques such as super resolution microscopy and confocal microscopy. The positioners offer a wide range of designs for compatibility with most microscope models and many microscope stages. These piezo Z stages are fully removable from your microscope stage, and a range of sample holders are also available.

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Mad City Labs, Inc.
World’s Smartest Palm Spectrometer: Breeze Series
BaySpec introduces Breeze, the world’s smartest palm spectrometer for 400 to 2500 nm with a simple one-button operation. Featuring proprietary miniaturized optics, Breeze is highly efficient for maximum sensitivity with ultrafast acquisition.
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BaySpec Inc.
Linear Ultra-Sonic Motors
Canon's new ultra-sonic piezo motor offers great features such as compactness, quiet, and accuracy for linear positioning applications. Canon has been using this technology for driving focus lens in camera product.
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Canon USA, Inc. Optoelectronic Components
LETO Phase LCOS Spatial Light Modulators

The LETO phase modulator models are based on reflective LCOS microdisplays with 1920 x 1080-pixel resolution and 6.4 μm pixel pitch. The LETO phase-only spatial light modulator devices can be used like an external monitor using the standard HDMI interface of the graphics card. No additional software or special hardware is needed to operate the SLM.

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Laser Components USA, Inc.