Solution Science for Research and Industry

Cryogenics & Low Temperature Physics

Next week we’re at EUCAS in Glasgow with Lake Shore Cryotronics

EUCAS logoThe European Conference on Applied Superconductivity (EUCAS) comes to Glasgow next week, running from the 1st to the 5th of September.

Lake Shore Cryotronics are exhibiting from Monday the 2nd., and Elliot Scientific will be supporting them in demonstrating their range of sensors and instruments for cryogenic temperature measurement and control.

The conference and exhibition will be taking place at the Scottish Event Campus (SEC) on Exhibition Way.

 


Elliot Scientific exhibiting at CMQM in St. Andrews this week

The new CMQM conference, taking place at St. Andrews University, provides the UK’s Condensed Matter Physics community to present and discuss their research results in specialised disciplines, superconductivity, magnetism, organic photovoltaics, polaritons and light-matter interactions among others.

For just two days of this three day event, July 3rd and 4th, we will be exhibiting our range of materials characterisation equipment. If you are attending the conference, or are a physics student at the university, we look forward to meeting you.


Lake Shore’s 8600 VSM updated… Noise floor reduced to 15 nemu

Lake Shore Cryotronics continues to up the performance of their 8600 Series VSM, with the release of a new brochure covering the improved noise floor specifications.

The 8600 Series offers a clean, ergonomic design to simplify the researcher’s interaction with the system. For example, a motorised head brings the sample to a comfortable height for easy, one-handed exchange of the sample rods. And combining high sensitivity, rapid measurement speeds, and ease of operation for faster and more accurate measurements further adds to the convenience these systems offer.

Temperature options include a cryostat, high-temperature oven, and single stage variable temperature insert. The combined temperature range of the options is 4.2 to 1273 K, and all three options quickly slide into place and are auto-detected by the system’s software – video demonstration.

8600 Series Features

  • Noise floor now 15 nemu
  • 10 ms/pt data acquisition rate
  • 5000 Oe/s field ramp rate
  • Rapid, repeatable temperature option exchange
  • High stability: ±0.05% per day
  • Fields to 3.26 T
  • Widest available temperature range: 4.2 K to 1273 K

The magnet poles are also easily adjusted with a specially designed indexed positioning system that allows the pole gap to be set at one of six repeatable positions, eliminating the need to recalibrate after each change.

 


April 2019 newsletter now online

April 2019 NewsletterThe Elliot Scientific April 2019 Newsletter: In this issue Gamma Scientific introduce a motorised iris for the RS-7 SpectralLED tuneable light source, Lake Shore manage to go low with calibrated Ruthenium Oxide temperature sensors for extreme cryogenic measurements, Siskiyou make mounts movable from above for those tricky optical breadboard set-ups, and we announce that our Applications section packed with useful information for scientists is now live, plus Focus on Microscopy 2019 in Westminster next week.

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January 2019 newsletter now online

January 2019 NewsletterThe Elliot Scientific January newsletter is now available. In this issue we say hello to Digital Holographic Microscopy specialists Lyncée Tec as we expand our life science range of products that currently come from Accurion, CRAIC Technologies, Elliot Scientific, HOLOEYE, Kinetic Systems, Prizmatix, Siskiyou, Tecella, and WITec. We also look at Lake Shore’s new M91 FastHall controller and remind you of next month’s Photonics West.

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Elliot Scientific’s 2018 newsletters published in one volume

Elliot Scientific’s renowned monthly newsletters have been compiled into a single edition for the year 2018.

The 32-page volume can be:

Read online via Issuu

Downloaded from our website

or viewed by clicking here


November 2018 newsletter now online

November 2018 NewsletterThe Elliot Scientific November newsletter is now available. In this issue a new digital micromirror device (DMD) is announced by Prizmatix for targeting light, and we also show off their UHP-M light source, both for microscopy; Lake Shore Cryotronics distributed cryogenic temperature sensing systems get a mention, along with IPG‘s ultrafast lasers; and we finish off with how capacitance measurement equipment from Andeen-Hagerling can help in a huge variety of research and industrial applications.

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Lake Shore’s new instrumentation on show at ICEC-ICMC from this afternoon

Lake Shore’s will be demonstrating some of their new instrumentation from today at the ICEC-ICMC Conference in Oxford. This next generation range of instruments offer higher levels of precision and more convenience for engineers, QC technicians, and lab researchers.

The Model 155 MeasureReady™ precision I/V source is ideal for demanding scientific applications requiring a precise low-noise supply of current or voltage, for example electronic material characterisation.

Lake Shore Model 155 Precision I/V Source Source

Two models are available; a DC only version, and the 155-AC model that can supply up to 1 W from DC to 100 kHz over a broad output range. These power supplies deliver a solid foundation for I/V curve, Hall effect, and other fundamental measurements.

The joint Lake Shore and Elliot Scientific team will also be happy to talk about the new F-series Teslameters, compatible Hall probes and 2Dex™ Hall sensors for challenging applications.

The F41 single-axis and F71 multi-axis teslameters work equally well on a benchtop or in a rack. The novel TiltView™ display makes them easy to operate even when mounted in the bottom of a rack. The designers have also ensured that probe swapping is quicker by incorporating a compact quick-release connector and integrated calibration data for all probes.

For more information, please contact us.


ICEC27-ICMC 2018 opens next week. Meet Lake Shore on the exhibition days.

The International Cryogenic Engineering (ICEC) and Materials (ICMC) Conferences are taking place in Oxford from September 3rd to the 7th.


ICEC27-ICMC 2018, to give it its correct name, also includes two days of exhibition for cryogenic related businesses. Accordingly, our good friends from Lake Shore Cryotronics will be flying in from Columbus, Ohio, to be on hand to talk about their extensive range of products for research in low temperature big and little physics, materials and superconductivity, cryobiology and more.

As Elliot Scientific supplies Lake Shore products within the UK and Ireland, our Dr Perry will also be on hand to assist with any enquiries on the Tuesday and Wednesday (5th & 6th September).

Both the conference and Lake Shore are celebrating 50th anniversaries this year. It is fifty years since ICEC was first held in this country, and also fifty years since Lake Shore manufactured its first product.

 


August 2018 newsletter now online…

August 2018 NewsletterThe Elliot Scientific August newsletter is now available. In this issue an IPG laser, Lake Shore temperature sensors and Siskiyou IXF components are used in a breakthrough Los Alamos & University of New Mexico all optical cryocooler; microscopists can benefit from Elliot Scientific Optical Tweezers, the Mad City Labs RM21 platform, and microspectroscopy from CRAIC Technologies; plus ICEC27-ICMC 2018 in Oxford and more…

To view it in a browser, click here.

To read it magazine-style online, click here.

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From near absolute to over one thousand degrees – Lake Shore have a sensor to suit

With the UK’s record breaking hot weather continuing, we thought you might like to know that Lake Shore Cryotronics offer four types of sensor for temperature measurement:

Diodes
A diode temperature sensor is the general name for a class of semiconductor temperature sensors. They are based on the temperature dependence of the forward voltage drop across a p-n junction. The voltage change with temperature depends on the material. The most common is Silicon, but Gallium Arsenide (GaAs) and Gallium Aluminium Arsenide (GaAlAs) are also used.

Resistors
These sensors are based on the change of resistance with temperature, and can be classified as positive temperature coefficient (PTC) or negative temperature coefficient (NTC). Platinum RTDs are the best example of PTC resistance sensors.

Capacitors
Capacitors are also used for low temperatures, but usually not for temperature measurement. Capacitance temperature sensors have the advantage of being insensitive to magnetic fields, but they commonly experience calibration shifts after thermal cycling.

Thermocouples
Thermocouples are only useful where differential temperature measurements or low mass are the main consideration. They must be calibrated in-situ as the entire length of the wire contributes to the output voltage if it traverses a temperature gradient.

Each type sensor has its own particular advantages in terms of temperature range and response, as well as design features and drawbacks, so Elliot Scientific recommends contacting us to discuss your application and its requirements.

Lake Shore also do some nice instruments to go with their sensors!

 

 

 

 

 


Laser Focus World features Siskiyou IXF mounts on cover for Los Alamos/UNM story

The July issue of Laser Focus World magazine uses a photo of a YLF:Yb crystal mounted between two top-adjustable Siskiyou IXF monolithic tip/tilt flexure mounts to illustrate their feature story on an all-solid-state optical cryocooler developed by the Los Alamos National Laboratory and the University of New Mexico.

Solid-state optical refrigeration uses anti-Stokes fluorescence to cool macroscopic objects to cryogenic temperatures without the annoying vibrations typically introduced by mechanical cryocooling systems.

The crystal was excited by a low power linearly-polarised continuous-wave fibre laser by IPG Photonics, while the temperature was monitored with a calibrated DT-670-SD silicon diode from Lake Shore Cryotronics.

Coupling the laser light to the crystal was achieved by using an astigmatic Herriott cell, with the optics held in vacuum compatible Siskiyou IXF flexure mounts…  known for their excellent mechanical and thermal properties.

Researchers in the UK or Ireland wishing to replicate this experiment can contact us for research lasers from IPG Photonics, sensors and instrumentation from Lake Shore Cryotronics, and the full range of mounts and stages from Siskiyou. Elliot Scientific can also be approached to supply optics and custom machined parts as well.

The full paper describing the experiment can be read here on nature.com.