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Surface Plasmon Resonance: Smartphone Senses Temperature
Surface Plasmon Resonance: Smartphone Senses Temperature
Introducing Surface Plasmon Resonance Surface plasmon resonance (SPR) is an optical detection technique commonly used to study biomolecular interactions. SPR is highly-sensitive to changes in the ...
Superconductor Spectroscopy Devices and Single Photon Detectors
Superconductor Spectroscopy Devices and Single Photon Detectors
Introduction to Superconductors (Traditional) Superconductivity was first discovered in 1911 by Heike Kamerlingh Onnes when he found Mercury to have an abrupt drop in electrical resistance at a temperature ...
The Light Bulb: From Arc to Incandescent to Fluorescent to LED
The Light Bulb: From Arc to Incandescent to Fluorescent to LED
Introduction The invention and utilization of artificial light was crucial to the development of civilization because it enabled humans to extend the length of the day. Today, certain light bulbs are ...
Pulsed Diode Lasers: Devices for Frequency Combs and Data Transfer
Pulsed Diode Lasers: Devices for Frequency Combs and Data Transfer
Ultrafast optics is a very popular field for using short pulses to investigate phenomena that have remained a mystery with traditional optics. It has enabled investigation of fast reactions, high power ...
Electro-Optic Modulators: Considerations and Outlook
Electro-Optic Modulators: Considerations and Outlook
Electro-optic modulators are increasingly becoming a vital component of optical processing systems. We have previously written about electro-optics generally, the different kinds of electro-optical ...
Quantum Dot Applications: Green Lasers and Quantum Optics
Quantum Dot Applications: Green Lasers and Quantum Optics
Nanotechnology continues to fascinate us with smaller and smaller devices. Engineers all around the world are constantly pushing and perfecting our manufacturing capabilities to fit more devices within a ...
Dye-Sensitized Solar Cells: An Inexpensive Alternative
Dye-Sensitized Solar Cells: An Inexpensive Alternative
Introduction to Dye-Sensitized Solar Cells Dye-sensitized solar cells have the potential to replace traditional and costly crystalline silicon solar cells. The sun emits about 3.86 x 1026 joules every ...
Semiconductor Nanowire Photodetectors and Lasers
Semiconductor Nanowire Photodetectors and Lasers
Nanowires are truly one-dimensional structures that are long in one direction and short on the lateral dimension. This dimensional reduction gives rise to interesting new phenomena such as quantized ...
Laser Eye Surgeries: Excimer, Ultrafast and State of the Art
Laser Eye Surgeries: Excimer, Ultrafast and State of the Art
Understanding the emergence of New Developments Laser eye surgeries such as LASIK are used to treat a number of eye conditions including retinal tears and detachments, macular degeneration, and glaucoma. ...
Raman Lasers: Non-Linear Light Generation for Broadband Applications
Raman Lasers: Non-Linear Light Generation for Broadband Applications
Raman scattering phenomenon can be used to engineer broadband tunable lasers and to generate a broad band of frequencies in the IR spectrum. These light sources are instrumental for probing and detecting ...