Analysis and testing - AZoOptics Search

Using Raman Spectroscopy to Detect Nitrogen Deficiency in Plants

Article - 9 Mar 2022

An effective sensor could sense nitrogen concentrations, which is one of the main limiting factors for crop growth and agricultural productivity. This article discusses the use of Raman spectroscopy...

What is Lensless Holographic Microscopy?

Article - 25 Feb 2022

A new lensless holographic microscopy technique promises high-quality imaging and analysis of biological samples without the need for lenses and could transform access to healthcare worldwide.

Optical Methods for Detecting Nitrogen in Water

Article - 23 Feb 2022

Nitrogen is a vital element for plant and animal growth. An overabundance of the substance, however, is linked with adverse effects on the health of humans, animals, and our ecosystems.

Differential-Based Amplitude Detection with Zero Intrinsic Latency for High-Speed Performance and Non-Invasiveness

Article - 3 Feb 2022

In a study published in Applied Physics Letters, researchers created a differential-based ultrafast amplitude detection method devoid of any intrinsic latency with the basic trigonometric theorem.

The Use of Lasers for Space Communications

Article - 13 Jan 2022

NASA has launched a mission to test optical space communication with Laser Communications Relay Demonstration (LCRD). LCRD is NASA’s first laser-based space communication system. The objective of LCRD...

Physics on the Femto- to Nanometer Scale Using High-Intensity Lasers

Article - 13 Jan 2022

This article looks at Fu, C. et al.'s journal published in Matter and Radiation at Extremes, looking at novel opportunities for nuclear and atomic physics on the femto- to nanometer-scale using...

Speeding Up Atomic Force Microscopy with Ultrafast Amplitude Detectors

Article - 7 Dec 2021

Researchers have recently created a new ultrafast amplitude detector to enable even greater temporal resolution for high-speed atomic force microscopy. Their paper may form part of the foundation for...

Obtaining Sample Results Immediately with a Cost-Efficient Biosensor Microscope

Article - 17 Nov 2021

Recent work from the University of Illinois Urbana-Champaign has shown that it is possible to use an affordable, portable microscope for the detection of microRNAs.

How Cutting-Edge Microscopes are Accelerating Significant Plant Discoveries

Article - 20 Oct 2021

Advances in microscopy, software developments, and better detection systems have revolutionized bioimaging processes. Owing to these advancements, scientists can study single living cells and...

The Use of Raman Spectroscopy in Remote Landmine Detection Technology

Article - 19 Oct 2021

While there are many efforts to develop more advanced autonomous vehicles that can be used for both device location and detonation, Raman spectroscopy has become one of the most widely adopted...