February 2024

February 2024

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קישור לחדשות בעברית

 

Links to Topics​​ 

Optics

Cameras and Imaging

Spectroscopy

Security

Featured Company (LTB Lasertechnik Berlin)

Optics

Two recently published papers detailing groundbreaking biological research used Chroma components in the experimental setup.

The first paper is entitled, “Dynamic conformational changes of a tardigrade group-3 late embryogenesis abundant protein modulate membrane biophysical properties.”

The cells were photographed using RFP filters and GFP filters from​​ Chroma Technology.

The second paper is called, “Detection of Fluorescent Protein Mechanical Switching in Cellulo.”

For this paper the FRET images were acquired using a custom filter set including three components from​​ Chroma Technology: an mTFP1 excitation filter (ET450/30x),​​ a​​ Venus excitation filter​​ (ET514/10x), and​​ a​​ dichroic mirror (T450/514rpc).

Image for Research Using Chroma Filters

Graph for Gain Flattening Filter

In optical communications, Erbium-Doped Fiber Amplifiers (EDFAs) are pivotal for their amplification capabilities. However, non-uniform gain profiles often limit their performance across desired wavelength ranges. This limitation​​ can be addressed by integrating​​ Gain Flattening Filters (GFFs),​​ facilitating a more consistent​​ signal amplification across various wavelengths.

tutorial on gain flattening filters from​​ Iridian Spectral Technologies​​ provides a detailed overview of how these filters function. It also considers their significance in the broader context of optical communications.

Diffraction gratings are some of the most​​ well-known​​ diffractive optical elements (DOEs) and are used in countless laser applications. A simple diffraction grating is any surface that has a periodic modulation in intensity or phase. Such modulation creates a diffraction effect on coherent light passing through the grating, resulting in the splitting of the input beam into multiple output beams, called orders.

While simple binary diffractive gratings often have the most energy in the first two orders (+-1), more complex periodic gratings can generate energy distributions that allocate most of the input laser energy equally to a desired number of output orders. These are often called Damman gratings or Fan Out gratings. By creating surface structures that are periodic in both x and y directions, custom diffraction gratings can also split the light to two-dimensional beam arrays.

For more information, contact Holo/Or.

Photo for Custom Diffraction Gratings

Photo of neodymium-doped yttrium orthovanadate

The field of electronics is constantly evolving, pushing the boundaries of innovation and technological advancements. One material that has gained significant attention in recent years is yttrium orthovanadate (YVO4). With its unique properties and versatile applications, YVO4 has become a vital component in various electronic devices such as:

  • Lasers

  • Optoelectronic devices

  • Electro-optic components

  • Piezoelectric applications

  • Capacitors and electronic parts

CRYSTECH Inc. has become one of the leading manufacturers of KTP​​ and​​ YVO4​​ crystal and laser components in the world. CRYSTECH has multiple​​ product lines and workshops for crystal growth, orienting, dicing, polishing, and coating.

A recently published paper discusses how DNA-PAINT super-resolution microscopy is used in research involving spore-forming bacteria. The paper is entitled, “Comparing divisome organization between vegetative and sporulating​​ Bacillus subtilis at the nanoscale using DNA-PAINT.“

Three filters from Chroma Technology are included in the microscope setup​​ for this research.

Image for DNA-PAINT Super-Resolution Microscopy

 

Cameras & Imaging

Photo of greateyes ELSE-s Camera

Since its 2019 launch, ELSEgreateyes’s versatile camera platform, has earned acclaim for its broad applicability in spectroscopy and imaging across UV, VIS, and NIR ranges. Users value its flexible features, including adjustable binning, multiple readout speeds, and various triggers/ synchronization modes. These compact cameras deliver market-leading signal-to-noise​​ ratio​​ (SNR) via true 18-bit digitization and deep cooled, high performance CCD detectors.

Features for the ELSE for UV VIS NIR include:

  • Wavelength range: 160–1100 nm

  • Pixel size: 15 µm x 15 µm

  • Image area: 30.7 mm x 3.9 mm

The iNocturn intensified camera​​ from​​ Photonis​​ can provide enhanced sensitivity for maritime situational awareness. This feature ensures optimal performance during critical situations, thanks to the combination of the high performance,​​ image-intensifier tube and the sensitive CMOS sensor. From low light condition to adverse maritime environment, the iNocturn advanced features offer a reliable solution for monitoring, surveillance, or threat detection. The ruggedization and compact size make it easy to seamlessly integrate iNocturn into any imaging systems used in low light conditions.

Photo for Enhanced Maritime Situational Awareness

 

Spectroscopy

Photo of IL Photonics at LTB

Recently, Moshe Bril, general manager of IL Photonics, visited the headquarters of​​ LTB​​ Lasertechnik Berlin​​ GmbH in Berlin. LTB is IL Photonics newest supplier.

LTB’s core competencies include:

The SIENA spectrometer from Avenir Photonics​​ raises the bar in compact near-infrared spectroscopy. As the first spectrometer with an uncooled InGaAs line sensor up to 2100 nm, it enables new possibilities for portable and industrial NIR sensors. At the same time, it breaks down the cost barriers that used to prevent the application of NIR spectroscopy in the field.

The SIENA features:

  • Wavelengths from 900​​ to​​ 2100 nm (3 standard configurations, customization available)

  • Low power, uncooled InGaAs sensor

  • Performance and reliability for portable and industrial applications

Photo of Siena Miniature NIR Spectrometer

Image for Detection of Indigenous Organic Matter in Rocks

A new​​ study​​ outlines the methods for identifying kerogens (solid, insoluble organic matter in sedimentary rocks) in oil shale using LIBS and interpreting carbon molecular forms in the laser-induced plasma.​​ This​​ marks the first instance of detecting indigenous organic compounds in rocks using molecular LIBS and can aid data interpretation of the Martian sediments.​​ 

The high-resolution LIBS spectra in this study were obtained using a DEMON echelle spectrograph from LTB Lasertechnik Berlin GmbH, which provides an average resolution of 0.0013 nm in the investigated region. Because of its unique optical design, the DEMON offers a resolving power of 75,000.

A new​​ paper​​ discusses the use of Optical Emission Spectroscopy (OES) in atmospheric conditions to monitor the reduction of plasma-sprayed TiO2-x​​ feedstock to preserve raw material.​​ 

The study examines the impact of spray processing parameters on coating microstructures for thermo-electric applications using the ARYELLE 200 high resolution spectrograph from LTB Lasertechnik Berlin.​​ The findings indicate that a small amount of hydrogen gas is sufficient to achieve TiO2 reduction under equilibrium conditions in the plasma.

Image for Reduction of Plasma-Sprayed TiO2-x

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Security

https://www.idquantique.com/wp-content/uploads/light-and-dark.jpg

A paper, entitled “Assessing the​​ Benefits and​​ Risks of Quantum​​ Computers” was recently published. This paper presents a thorough assessment of the benefits and the risks of quantum computers.

One of the conclusions of this paper is that Post-Quantum Cryptography (PQC) should be complemented by quantum technologies, as​​ provided by​​ ID Quantique (IDQ), such as Quantum Key Distribution (QKD) for protecting long-lived information and Quantum Random Number Generators (QRNGs) for improving key generation in all cryptographic applications.

Featured Company