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PRODUCT UPDATE Spectroscopy Photon RT spectrophotometer

Essentoptics has unveiled its real time scanning spectrophotometer designed for optical measurement applications with a wavelength range of 190 to 4,900nm. The Photon RT offers a focused set of features and capabilities targeted specifically at unattended optical measurement of parts with thin film coatings.

These include absolute specular reflectance, transmittance, and variable angle and polarisation measurements. Photon RT features UV to MWIR polarisation measurement capability in a single device, a unique opportunity to get deeper insight into performance data of optical coatings with extreme specifications. The newly revised optical design of the spectrophotometer is characterised with improved baseline stability and reduced noise, providing much improved measurement accuracy in MWIR range, even for absolute specular reflectance measurement.

Other features include calculation of integral values adjusted for a type-A illumination source and the spectral sensitivity of the human eye.

AvaLight-HAL-Mini halogen light source

Avantes has released an improved halogen light source. The AvaLight-HAL-Mini has a new innovative design and the user can change the lightbulb easily. The output is extremely stable due to the design and cooling system. The light source is also much smaller than previous versions. The AvaLight-HAL-Mini is a compact, stabilised halogen light source, with an adjustable fibre connection focus that maximises the output power at the desired wavelength. The light source

Stellarscope system

Stellarnet has released its Stellarscope system, a high-performance and affordable surface enhanced Raman spectrometer (SERS) substrate for use with its line of Raman spectrometer systems. The company has also added several features to its Ramulaser series of Raman lasers.

The SERS substrates intensify Raman emission through plasmonic resonance, boosting

also has selectable output power to provide extra power or longer bulb life.

A filter-slot mounted on the front of the

AvaLight-HAL accepts one-inch round or two by two-inch square filters, to block specific ranges of wavelengths or lower the intensity. The adjustable focus ensures all possible power is transmitted through the optical fibre. Bulb replacement is easy and can be done in a matter of minutes. High-power or long-life output settings are selectable via the spectrometer or the software.

signal by many orders of magnitude and enabling detection levels as low as parts per trillion for certain samples. Stellarnet’s substrates are low cost due to the unique nanostructure deposition process. The substrates offer flexible and quick sample application in the form of pipetting, dipping, or swab, with no required sample drying. Stellarnet’s Stellarscope system allows

users to couple their spectrometer system to a microscope. This enables users to perform

QE Pro CCD array spectrometer

Ocean Optics has introduced its QE Pro back- thinned CCD array spectrometer. The device has outstanding quantum efficiency, wide dynamic range and extremely low noise operation for applications with low light levels and where wide concentration ranges are measured.

The QE Pro is suited for monitoring emission spectroscopy, particularly fluorescence and Raman, due to its high sensitivity. For both absorption and reflectance in quality control applications, QE Pro provides lower limits of detection and enables measurements over a wide concentration range. Also, for kinetics researchers and scientists requiring fast, full spectrum acquisitions, the QE Pro provides onboard buffering capability. The


Raman, fluorescence, and CIELAB colour measurements on a micro spot and capture high- resolution images, video, and time lapse video of their samples.

The system comes equipped with an Olympus research microscope with 4, 10, and 40x objectives, a CMOS 1.3-megapixel camera, an optical switch, and required SMA couplers and attachment accessories for specific applications.

15,000 spectra onboard buffer maintains data integrity by buffering time-stamped spectra for USB communications. Buffering enables full-spectrum kinetics measurements, such as those used in chemical and enzyme kinetics or protein folding to be performed every 8ms. Thermoelectric control of the detector

improves the stability of the detector for lengthy measurements, where thermal noise convolutes the signal. TEC cooling dramatically reduces thermal noise and holds the QE Pro’s stability to four dark counts over a 60°C ambient temperature range. This allows it to be used for demanding online and at-line quality control measurements and environments susceptible to temperature changes.

@electrooptics |

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