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FEATURES
Laser Technology Enhances and Expands the Medical Toolkit Apr 29, 2021 — Medical lasers have been used for decades in surgical contexts. In recent years, the development of compact, easy-to-use, and often self-contained modules has opened doors for new or enhanced procedures in ophthalmology, dentistry, dermatology, and neurosurgery to improve patient quality of life. Flexibility in the technologies that power and focus medical lasers has changed the lasers’ primary use from cutting and removing — essentially as a high-tech scalpel — to minimally invasive cleaning...
Photonics Spectra, Jun 2021
Smart Probe Captures Biomarker Sequence Apr 15, 2021 — A smart probe is a hairpin oligonucleotide, essentially a string of nucleic acids, that is labeled with a fluorophore on one end and tethered with successive guanosine residues on the other end. Extrinsic dye labels with suitable absorption are...
BioPhotonics, Jun 2021
Plasmonics and Microfluidics Speed Detection of Lyme Disease Apr 5, 2021 — When a person develops Lyme disease from a tick bite, identifying the tiny culprit can be challenging. The insect itself is difficult to see in the grass or forested area it comes from before burrowing into the person’s skin. The symptoms of...
BioPhotonics, Jun 2021
Raman Spectroscopy Dishes Up Solutions for the Food Industry Mar 31, 2021 — As people, we have a complex relationship with food. We want it to be simple, cost-effective, and convenient. But we also savor gourmet foods prepared with the finest ingredients available. The quality of high-end ingredients depends on their...
Photonics Spectra, May 2021
Ultrafast Lasers Are Quickly Catching Up with Industry Demand Mar 31, 2021 — With pulse lengths down to the picosecond realm and beyond, ultrashort-pulse lasers — often called ultrafast lasers — have been deployed as scientific research tools for decades. The fields of femtochemistry, spectroscopy, and...
Photonics Spectra, May 2021
How Far Down the Road Is the Autonomous Vehicle? Mar 31, 2021 — First conceived by editors of Scientific American magazine, the dream of self-driving cars — known today as autonomous vehicles (AVs) — recently passed its 100-year anniversary. With the phenomenal advancements in technology during the...
Photonics Spectra, May 2021
Managing Temperature-Based Performance Drift for Coatings Mar 29, 2021 — What happens when optical coatings get very cold? There should be little difference in a thin film’s optical performance at room temperature test conditions versus its use conditions. But this is not always the case. Performance varies at different...
Photonics Spectra, May 2021
Molecular Laser Opens Unique Spectral Window Mar 23, 2021 — The terahertz spectral region, which falls between the microwave and infrared ranges, is one of the most promising regions of the electromagnetic spectrum for research and industry, but it is currently underutilized in these areas. There is no...
EuroPhotonics, Jun 2021
Liquid Crystal Sensors Provide Rapid COVID-19 Diagnosis Mar 23, 2021 — The global outbreak of COVID-19 has prompted scientists worldwide to focus their research on the virus over the last year, particularly those who work with optical and sensing technologies. Some have concentrated on understanding fundamental aspects...
BioPhotonics, Aug 2021
Charge Clusters in a Monomeric Protein Alter Optical Absorption Mar 23, 2021 — Electronic absorption of proteins that lack cofactors, prosthetic groups, or noncoded amino acids as part of their structure has traditionally been thought to originate from protein backbone (peptide bond) and aromatic chromophores in the side...
BioPhotonics, Aug 2021
Quantum Cascade Lasers Boost Life Science Research Mar 23, 2021 — Over 20 years have passed since the first quantum cascade laser (QCL) sources were commercialized. QCLs that operate at room temperature using thermoelectric cooling are now ubiquitous. These lasers ushered in a new era of infrared spectroscopy. In...
BioPhotonics, Aug 2021
Neuromorphic Processing Set to Propel Growth in AI Mar 19, 2021 — Increasing volumes of data required for smart devices are prompting a reevaluation of computing performance, inspired by the human brain’s capabilities for processing and efficiency. Smart devices must respond quickly, yet efficiently, thereby...
Vision Spectra, Mar 2021
ASLMS 2021 Examines Laser-Based Treatments, Diagnosis in Online Setting Mar 18, 2021 — Following the cancellation of last year’s event, this year’s conference of the American Society for Laser Medicine and Surgery (ASLMS) will rebound with a virtual presentation of the latest in laser-based science and research. Registration is open...
BioPhotonics, Apr 2021
Thermal Imaging Takes the Temperature of New Applications Mar 5, 2021 — While thermal infrared imaging technology was once limited to defense and government-funded applications, it has become more mainstream over the past few decades. The growing awareness of the technology’s industrial benefits has primarily been...
Photonics Spectra, Apr 2021
Freeform Micro-Optics Reel Off New Applications Mar 5, 2021 — Much attention is given to freeform optics fabrication, which has improved the performance of traditional micro-optic imaging systems1. But replicated freeform micro-optics are also fostering advancements across a broad spectrum of applications...
Photonics Spectra, Apr 2021
Member Exclusive
High-Energy Lasers Advance Defense and Industry Mar 3, 2021 — Ever since the laser first appeared in the public consciousness, popular culture has reframed it as a prospective weapon of infinite range and power. This is largely because popular culture is unshackled from the concerns of engineering and physics....
Photonics Spectra, Apr 2021
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Worsening Wildfires Spark Photonics Demand and Innovations Mar 2, 2021 — In October 2016, a downed powerline sparked a wildfire that raged for two weeks and destroyed more than 18,000 acres in the Pike and San Isabel National Forests west of Pueblo, Colo. The so-called Junkins fire ended up destroying nine homes and 17...
Photonics Spectra, Apr 2021
Photonics Reduces Size, Weight, and Power for Defense Systems Mar 1, 2021 — Many modern troops go to battle carrying up to 80 lbs of gear per soldier. Approximately 20 lbs of this weight can come from batteries for radios and electro-optics. Reducing a soldier’s burden improves mobility and mission effectiveness and reduces...
Photonics Spectra, Apr 2021
Microscopy Technique Enhances 3D Imaging Capability Feb 11, 2021 — Optical microscopes use light to visualize detailed structures of small samples. The most popular microscopy technique for biological or biomedical studies by far is wide-field microscopy, in which a sample, such as tissue, is imaged through a...
BioPhotonics, Apr 2021
Evaluating Illumination Options for Telecentric Imaging Feb 5, 2021 — For machine vision applications requiring telecentric lenses, the proper illumination can be critical to the success of the imaging system. Achieving properly angled, even illumination can greatly affect the contrast of the image and the accuracy of...
Vision Spectra, Mar 2021
3D Vision Bolsters Robotic Bin Picking Feb 2, 2021 — For robots, unstructured bin picking has traditionally been challenging, if not effectively impossible. Part of the reason is mechanical, since getting a robotic arm into a bin and securing its grip on a part to pick can be difficult. Another...
Vision Spectra, Mar 2021
SOI Technology Lights Up the Next Wave of Photonics Solutions Feb 1, 2021 — Silicon has been the mainstay of micro-nanoelectronics since the late 1950s, being widely adopted for electronic devices and complementary metal oxide semiconductor (CMOS) technologies. In the early years of the semiconductor industry, germanium was...
Photonics Spectra, Feb 2021
Embedded Vision Is Streamlined for Application on a Massive Scale Jan 28, 2021 — Compact, efficient, and highly application specific, embedded vision technology increasingly offers performance and price points that would have been impossible to achieve only a few years ago. The steady advancement in capabilities has been driven...
Photonics Spectra, Mar 2021
Multiband Optical Filters Are Telecom Networks' Multitaskers Jan 27, 2021 — Multiband optical filters have long been used in applications such as fluorescence spectroscopy, astronomy, and 3D cinema, to name a few. The ability to combine more than one spectral band into a single optical filter can enable flexibility of...
Photonics Spectra, Mar 2021
Flow Cytometry Channels Photonics to Advance Immunology Jan 27, 2021 — The COVID-19 pandemic has put the field of immunology under an international spotlight. Researchers in the field have been rigorously studying our immune system’s response to the SARS-CoV-2 virus to understand how we combat infection....
Photonics Spectra, Mar 2021
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