Do it yourself hyperspectral imager for handheld to airborne operations

Area of Science:

• Optics and Photonics
• Remote Sensing Technology
• Instrument Development

Background:

• Traditional hyperspectral imagers can be bulky and expensive.
• There is a need for portable and cost-effective hyperspectral imaging solutions.

Purpose of the Study:

• To design and construct rapid prototypes of small and lightweight push broom Hyper Spectral Imagers (HSI).
• To demonstrate the capability of these imagers for various platform applications.

Main Methods:

• Utilizing thermoplastic 3D printing for dispersive element housings.
• Integrating S-mount optics and commercial camera heads.
• Developing four distinct HSI models with masses under 200g.

Main Results:

• Achieved spectral ranges from visible to near-infrared.
• Bandpass filters ranging from 1.4 to 5 nm.
• Successful demonstration of push broom spectral imaging from airborne drones and handheld devices using motorized gimbals.

Conclusions:

• Rapid prototyping using 3D printing enables the creation of compact and lightweight hyperspectral imagers.
• The developed HSI instruments are suitable for diverse remote sensing applications across multiple platforms.
• The technology facilitates versatile spectral imaging capabilities for various operational needs.