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Chemical Imaging

Pushbroom Imaging Technology

sisuCHEMA combines NIR spectroscopy with high resolution imaging. It provides detailed information on the chemical components, their quantities and distributions within the sample. It is invaluable information for the characterisation and quality assurance of advanced materials, where the functionality of the material is dependent on its chemical and physical structure.

How sisuCHEMA works

sisuCHEMA is a complete chemical imaging workstation. User places samples into specially designed sample trays, then using the ChemaDAQ data acquisition software, the spectral image is acquired and saved in seconds. Each sisuCHEMA workstation is preinstalled with the umBio Evince hyperspectral image analysis software. This allows users instant application processing, chemical calibrations and predictions directly within the sisuCHEMA system

Two Sizes, Unlimited Number Of Samples

sisuCHEMA is available in two different sizes. The smaller scale sisuCHEMA is ideal for pharmaceutical applications where high spatial resolution is required and samples are small. In this version the maximum sample size is 10x1xxx40nm. This is useful in many food and agricultural applications. Both systems can image samples of 10 nm or smaller at a very high pixel resolution of 30 microns, and offer flexible setting to coarser resolutions.

sisuCHEMA employs pushbroom imaging, acquiring the image one line at a time while scanning the sample on a moving samples tray. Each line has a 320 pixel field of view. In the scanning dimension the number of lines is dependent on the selected scanning length. the variable scanning length allows the user to image longer samples, or multiple sequential samples, in a single linear scan. The maximum scanning length in the two systems is 100 and 300 nm, respectively.

Performance, Efficiency and Ease of Use

sisuCHEMA is based on Specim’s Spectral Cameras operating in the near infrared range with high spectral resolution. Light throughput is 10 to 20 times higher than in similar instruments that implement tunable filters. The result is considerably faster imaging under similar illumination conditions. Furthermore, pushbroom imaging only requires line illumination on the sample, which significantly reduces the heat load on the sample. Specim’s unique line illumination technique optimizes the imaging of various surfaces and textures. susuCHEMA is a stand-alone instrument, which is user friendly and easy to set up and maintain. sisuCHEMA is operated with pre-installed ChemaDAQ data acquisition software and UmBio Evince hyperspectral image analysis software.



sisuCHEMA is based on Specim’s Spectral Cameras operating in the near infrared range with high spectral resolution.

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sisuCHEMA SWIR/NIR workstation

sisuCHEMA SWIR/NIR workstation

sisuCHEMA is a complete workstation for chemical imaging in the near-infrared region. ITs pushbroom technology provides a speedy measurement procedure, which facilitates the everyday quality control of pharmaceutical products.

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Contact us

Gilden Photonics Ltd.
Unit 13 Telford Court
9 South Avenue
Clydebank Business Park
Glasgow G81 2NR

tel: +44 (0)141 952 9475
fax: +44 (0)141 952 9400