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Microscopy Objective Lens Metrology 13 Sep 2024

Optikos

Today’s microscopy systems push the limits of performance and engineering. The advent of digital microscopy and computational processing means, whether using a manual laboratory microscope or a high-throughput automated platform, instruments are expected to produce excellent image quality across a large FOV and across a range of wavebands. To understand the performance limits of cutting-edge optical systems you need high-quality, reliable, and precise metrology systems.

Canadian InP quantum dot lasers: performance and applications 02 Jul 2024

National Reseach Council of Canada

The National Research Council of Canada is developing and manufacturing quantum dots and dashes on GaAs and InP substrates for communications and quantum applications. Here we describe applications in the 1.55 µm wavelength range based on InAs quantum dots on the InP-based platform. We demonstrate lasers with significant performance advantages over conventional QW lasers when used in high-speed data communications applications.

UV Curing Adhesive Used in Electro-Optical Studies 07 Jun 2024

Master Bond

Electro-optical (EO) polymers offer several advantages over inorganic materials in the fabrication of optical waveguide structures. Master Bond UV15 has been selected for use in the fabrication of polymer optical waveguides for a variety of applications. Read this case study to learn more about how UV15 helped the researchers achieve their goal.

Making Raman Measurements Reproducible 28 Mar 2024

Wasatch Photonics

Raman OEM applications need consistent spectra to deliver dependable answers. A good-quality OEM spectrometer should, by design, exhibit low unit-to-unit variability from the start, and any remaining small differences should be corrected in order to achieve the most robust and repeatable analytical outcomes in the field. Learn how to achieve >99.5% unit-to-unit agreement using a series of simple corrections.

How to Select and Specify a Non-Linear Optical Crystal 01 Mar 2024

GAMDAN Optics

A key task faced by engineers using nonlinear crystals is the correct selection and effective specification of the appropriate NLO crystal for a particular laser design or application. GAMDAN Optics supports customers in successfully completing all the steps in this selection and specification process.

Manufacturing Considerations for Tolerancing Aspheres 10 Jan 2024

LaCroix Precision Optics

As aspheres become more prevalent in optical systems, it is important for lens designers to consider the various tolerances when designing an aspheric lens. Various topics discussed in this paper include irregularity and MSF errors (slope specification, maximum Zernike residual error, and spatial filtering), clear aperture, center thickness, and the dos and don’ts of tolerancing aspheres.

Measuring Aspheres in a 3D World 10 Jan 2024

LaCroix Precision Optics

This white paper provides a practical guide on the benefits of 3D measurements of aspheres, featuring real-world case studies. This white paper also explains why one may prefer measuring aspheres in 3D over 2D, not to review the merits of the individual technologies as they apply to specific shapes.

Anti-reflective coatings for infrared applications on IG6 substrates 11 Oct 2023

I-Photonics

Chalcogenide glasses, due to their unique optical properties, open new prospects for infrared optics in various fields of industry and science. This paper presents a technology that has been developed to overcome the long-term problems associated with the adhesion of coatings to glass and contributes to the development of more durable coatings.

Improving Calibration Accuracy for High-End Spectroradiometers 06 Oct 2023

ADMESY BV

Admesy introduces a groundbreaking calibration concept that surpasses the limitations of conventional calibration light sources.

Imaging in Challenging Lighting Conditions — A Better Way 07 Sep 2023

Teledyne Lumenera

Choosing just the right camera for a particular application can be difficult. Common cameras specifications that are normally considered include resolution and frame rate. However, lighting is an external factor that is potentially even more important to consider. This document highlights how high conversion gain (HCG) and low conversion gain (LCG) camera capabilities can be beneficial in challenging lighting conditions, along with examples of imaging applications where these challenges commonly occur.

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