Mass Spectrometry & Spectroscopy 25 High Sensitivity and Fast-Response Subminiature Detector with Built-in Preamplifier
Hamamatsu Photonics have developed a new InAsSb photovoltaic detector (P16702-011MN) with built-in preamplifier offering high sensitivity to mid-infrared light, up to 11 micrometers (μm) in wavelength. This was achieved by combining the latest InAsSb (indium arsenide antimonide) mid-infrared detector with the company’s unique circuit design technology. Compared to Hamamatsu’s previous detector modules with same level of sensitivity, the P16702-011MN size and cost is drastically reduced, and it exhibits fast response time.
Each molecule has its own vibration and absorbs infrared light at a specific wavelength determined by its energy. This property can be used to analyse and identify the type and quantity of chemical components contained in a sample. Therefore, mid-infrared light is widely utilised in the analysis of nitrogen oxides and sulphur oxides contained in exhaust gases from factories, etc.
To meet needs in applications such as gas analysis and monitoring of processing laser equipment, Hamamatsu develops and sells InAsSb mid-infrared detectors and detector module products with enhanced sensitivity, by integrating these with electronic circuits and components including preamplifiers. To keep up with the growing market demand of further downsizing equipment, the company have been working on a subminiature, low-cost mid-infrared detector device that also offers high-speed response.
In designing this new device, Hamamatsu adopted the latest back-illuminated type InAsSb mid-infrared detector with a sensitivity 1.5 times higher than the regular type. Encapsulated into a small cylindrical package with a diameter of approximately 9 mm., the device was drastically downsized to about 1/200th the volume of current module products, yet it still offers the same level of sensitivity capable of detecting mid-infrared light at wavelengths up to 11 μm. What’s more, the wiring in the package is optimised to increase the response speed up to 100 megahertz, which is twice as high as current module products, thus improving measurement accuracy. It also has a lower manufacturing cost since we reduced the number of required components.
The P16702-011MN will speed up the replacement of mercury-cadmium-telluride (MCT) infrared detectors which is currently the mainstream in high-precision mid-infrared spectroscopy but contains toxic substances restricted by the RoHS Directive. Hamamatsu Photonics is one of the few companies in the world that manufacture both photodetectors and light sources. Using the P16702-011MN in conjunction with a quantum cascade laser or QCL, which the company also manufactures, allows making measurements at even higher speeds, resolution, and sensitivity.
More information online:
ilmt.co/PL/k1G3 and
ilmt.co/PL/9Rq0 59654pr@reply-direct.com
Quality Control of Medical Cannabis in Less than 30 Seconds
Legalisation and regulation of medical cannabis by many countries has created a need for rapid quantitative testing of cannabinoids. In a free webinar (can be watched on demand), Dr Dave van Staveren and Andreas Agerer, both from Metrohm International Headquarters, present how Near-Infrared Spectroscopy (NIRS) can be utilised for rapid, non-destructive product screening on various cannabis products, including cannabis oils, waxes, tinctures, and hemp.
While different analytical techniques have been utilised for product screening on cannabis, Near-Infrared Spectroscopy (NIRS) is faster and easier to use than established standard techniques (e.g., HPLC): The cannabis matrix can be analysed as is and accurate results for the concentration of the different cannabinoids (THC, CBD, CBG) and the moisture content is provided in less than 30 seconds.
Key learning points: general info - which are the main cannabinoids to test for; the principle of NIRS and how this technology is applied to cannabis testing in compliance with 21 FDA CFR Part 11; the advantages and limitations of NIRS compared to primary measuring techniques.
Watch the video:
ilmt.co/PL/EL1w
More information online:
ilmt.co/PL/494m and
ilmt.co/PL/BKwr 59417pr@reply-direct.com
ADVERTORIAL Portable Quadrupole Analyser for Environmental Field Studies
The Hiden pQA portable gas analyser is a versatile mass spectrometer and offered with a range of interchangeable sampling inlets to suit a broad application range. MIMS inlets are offered for analysis of dissolved species in ground water, fermentation cultures, soil samples, and general applications where analysis of dissolved species in liquid sample is required.
The system is suited to gas analysis applications, where sample volume is small, and for environmental applications where detection of low concentration levels is required. The pQA system has a mass range of 200 amu and sub ppb detection levels. Extended mass range to 300amu is optional.
The system is supplied in a Pelican® case and can be powered by a 12 V supply for field use, battery and/or solar powered, or a 220 V supply for laboratory use.
Sampling inlet systems are offered for a broad application range including: Direct membrane inlet probe for immersion and/or insertion in liquid or sludge sample, soil core sampling for example; Recirculating probe for analysis of sample with continuous flow, extracted sea or estuary water for example; Flow through probe, low flow design for denitrification studies.
The system includes: Quadrupole mass spectrometer system from the RGA series with mass range options 200 amu; Mass spectrometer analyser manifold and UHV pump set with a manually valved dissolved species probe with silicone rubber membrane; Ion Gauge and interlocks to provide protection for the mass spectrometer in case of over pressure; fast acting shut off valve between the dissolved species probe and mass spectrometer manifold to protect the mass spectrometer in case of membrane failure - the valve is interlocked with the integral UHV pressure gauge; supplied in a ruggedised Pelican case for usability in the field; can be powered by a 12 V supply, from a vehicle power outlet, for example as well as a standard power outlet for laboratory use; total weight is less than 40 kg.
More information online:
ilmt.co/PL/ZpJv 54035pr@reply-direct.com Mass spectrometers for vacuum, gas, plasma and surface science pQA Features
Transportable ruggedised case for fi eld operation
12 V power input User confi gurable inlets Multi gas/vapour analysis
31204 THIRD PAGE PQA H 260mm x
60mm.indd 1 PITTCON STAND 1815
Portable Quadrupole Analyser for Environmental Field Studies
Applications Ground water studies Environmental research Denitrifi cation studies Oceanic gas measurements
Intlet Options Direct inlet probe
Flow through probe for rare earth gas studies
Low volume MIMS inlet for denitrifi cation studies
17/01/2023 16:41
www.hidenanalytical.com
info@hiden.co.uk
WWW.LABMATE-ONLINE.COM
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