Specim delivers a unique spectrograph in the new V10M ImSpector

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Solving real-life imaging challenges using hyperspectral sensors

Introducing Specim and their products
Specim (Spectral Imaging Ltd) is a global pioneer in hyperspectral imaging products and the launch of their new ImSpector M-series imaging spectrographs in response to market demand.

Specim manufactures of a variety of leading-edge, spectral-imaging components that are optimised for use in harsh conditions, Specim's versatile products can easily be deployed in all conditions: in laboratories, near production lines, on-line, in the field and in the air. The Imspector series are built with specifications to meet the most demanding requirements for target detection with a wide swath width for efficiency in airborne uses. The V10M Imspector has been designed with superior performance for airborne and industrial quality control applications.

Employing unique spectrographic technologies, the ImSpector spectrographs work as an add-on optical component that changes an area-scan camera to a spectral line-imaging device. Adding this functionality to a camera means that full, continuous spectral information for each pixel in a line can be imaged with high-spatial and high-spectral resolution. The Push-Broom technique used in the VM10 produces an area image from each capture which contains the spectral data in a column for each spatial pixel on a line.

About the V10M ImSpector
Specim has responded to market demand by launching this new, high-resolution hyperspectral imaging spectrograph, the V10M ImSpector, designed with the dimensions and exceptional performance necessary for Unmanned Aerial Vehicles (UAV). Its use is not limited solely to this type of application, however, and it can be deployed to solve a variety of other challenging situations (see below).

What the spectrograph delivers
The impressive performance from this light-weight spectrograph is delivered in a format optimised to fit to small payload compartments and gimbals. It delivers an increased spatial resolution for push-broom hyperspectral imagers. Operating in the VIS/NIR range of 380 to 1000 nm, the V10M provides negligible sub-pixel distortions with an excellent 1300 pixels spatial resolution. It does this with an uncompromised imaging speed of 100 frames-per-second. (Higher frame rates are also possible with spectral binning).

Impressive optical light throughput, together with the most advanced and sensitive detector technology available guarantees an excellent signal-to-noise ratio.

All Specim imaging spectrographs are delivered in rugged, compact packages (one of the smallest footprints in the market) and can be used in a variety of situations and applications. Other hyperspectral imagers are either bulky with good performance, or compact, with only moderate performance. However, Specim has overcome these drawbacks and offers clients in defence, security and industrial applications, an off-the-shelf hyperspectral sensor that is innovative in its performance capabilities.

Examples of airborne deployments for the ImSpector V10M Hyperspectral Sensor
High spectral and spatial resolution provides the ability to classify tree stands within a forest. Precise classification of species by stand is possible. Long term forestry management and record keeping is simplified when the mapped imagery is used in a GIS program. Stress detection and forest inventory are two of the common products of the AISA hyperspectral imagery.		Rapid and accurate assessment of the damage helps to maximize the cleanup efforts. Environmentally sensitive areas can be targeted for protection and cleanup, and the long-term damage can be minimized. Time sequence images of the oil can guide eff orts in real-time by providing relative concentrations and accurate locations.

What is "push broom" technology?
All Specim hyperspectral products employ their proprietary push-broom imaging technology.

Push-broom imaging provides highest performance and flexibility among various hyperspectral imaging techniques and its major advantages are:
* Can be made to work in all conditions.
* provides the highest imaging speed and lowest heat load from illumination on the sample/target. (Because push-broom technologies collect light much more efficiently from the sample/target than any other hyperspectral technique.