WHAT IS MULTISPECTRAL?
What is multispectral and why it is an important part of our innovations?
Multispectral is word to describe a process of operating or involving multiple wavelengths of radiation in the electromagnetic spectrum.
To understand the phenomenon of multispectral lighting and multispectral imaging, the concept of electromagnetic radiation and electromagnetic spectrum must be reviewed.
Electromagnetic radiation describes waves of electromagnetic field, propagating through space, carrying electromagnetic radiant energy, the different types of electromagnetic radiation can be categorized by their wavelengths and they include;
As mentioned before, each of the electromagnetic radiation has their own spectrum of wavelengths and some are visible to human eye and some or not, the visible spectrum consists of any type of radiation between 400 nm & 700 nm and the colors as we see are defined within this range of wavelengths.
The wavelengths below 400 nm & above 700 nm, such as Infrared (IR) & Ultraviolet (UV) are not visible to human eye, but they are crucial for forensic research, because, these radiations are able to reveal vast amount of data in the field of forensic sciences and forensic medicine both for evidence collection and research.
Ultraviolet radiation (UV) is divided into three main categories;
- UVA (315-400 nm)
- UVB (280-315 nm)
- UVC (100-280 nm)***
UV can be utilized to reveal certain evidences such as, counterfeit documents and money, fingerprints, semen, blood, sweat, dandruff, etc.
Infrared radiation (IR) is divided in to three main categories;
- IR-A (700nm-1.400nm / 07µm-1.4 µm)
- IR-B (1.400nm-3.000nm / 1.4µm-3 µm)
- IR-C (3.000nm-1mm / 3µm-1.000 µm) ***
IR is capable of revealing certain evidences such as, identification of different types of inks, sweat, hair, fibers, chemicals, semen, blood and etc.
Different types of electromagnetic radiation are capable of exciting different atoms, molecules and compositions and by using different and multiple wavelengths in the field we can observe and asses many information existing around us which are not visible to human eye and the process of imaging using different types electromagnetic radiation is called multispectral imaging.
Conventional mobile devices such as cameras and video cameras have limiting filters in front of their imaging sensors (CCD, CMOS, etc.), preventing negative effects of different wavelengths to take the best quality of images for human eye to see, because of this, a conventional camera is very limited in the field of forensic science.
Compared to our competitors in the market, as ForenScope, our technology is capable of imaging in a very wide range of wavelengths in a very user-friendly way with a cutting-edge narrowband lighting system and imaging system.
Deep Skin MultiSpectral Imaging:
As ForenScope, our unique technology is capable of recording with non-invasive polarized or non-polarized images within 26*** different wavelengths (from 254nm Ultraviolet to 1.050nm Infrared) and by utilizing this range of light, we are able to record subcutaneous digital images with features that are not visible to the naked eye in a noninvasive way.
As mentioned before, different atoms, molecules and compositions are excitable in different wavelengths, and this information can be utilized to distinguish various structures under the skin. Every area absorbs different wavelengths of light, gets excited and sends back a light. Sometimes this phenomenon occurs in very narrow wavelengths and can only be seen with the help of special filters which are placed in front of the human eye or the camera lenses.
ForenScope Multispectral Tablet Camera:
ForenScope 4K Pro:
ForenScope Multispectral Forensic Colposcope, Pro & Standard:
ForenScope Mobile MultiSpectral Imaging System, basic logic behind the mechanism of action:
*** R & D studies are ongoing to increase the range of the electromagnetic spectrum, utilized in our multispectral technologies.