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Optical Computing: Prospects and Challenges
Optical Computing: Prospects and Challenges
Optical fibers show promise not just in long-range information transmission, but also in fully optical computers. Image courtesy of tOrange.biz What is optical computing? For many decades, the processing ...
Optogenetics: The Future of Lasers in Neurology for Brain Studies
Optogenetics: The Future of Lasers in Neurology for Brain Studies
Optogenetics is the emerging field of using light to control and study neuronal activity. In 2005, a Stanford University team was able to use a light-sensitive microbial protein to control the timing of ...
Cancer Cell Detection Using a Low-Cost Fluorometer
Cancer Cell Detection Using a Low-Cost Fluorometer
For women across all socioeconomic groups, breast cancer poses a large threat. Approximately 1 in every 8 women will be diagnosed with the cancer during her lifetime. Additionally, it is one of the leading ...
A Practical and Low-Cost Approach to Artificial Compound Eyes
A Practical and Low-Cost Approach to Artificial Compound Eyes
Compound eyes provide insects with the ability to quickly react to danger. These eyes posses a much wider field-of-view, higher light sensitivity, and superior sensitivity to motion when compared to the ...
Mode-Locked Lasers Improved With Graphene Technology
Mode-Locked Lasers Improved With Graphene Technology
Ever since graphene sheets were isolated from bulk graphite in 2004, two-dimensional materials have received an immense amount of interest for their unexpected and novel electronic and optical properties. ...
Photobleaching Using Lasers for Teeth Whitening in Dentistry
Photobleaching Using Lasers for Teeth Whitening in Dentistry
Lasers in dentistry have been explored since the early 1960s. At its infancy, the practitioners of the field used Ruby lasers. They used the pulses emitted from such lasers to ablate the tooth enamel to ...
Dental Caries Diagnosis Using Fluorescence Imaging Techniques
Dental Caries Diagnosis Using Fluorescence Imaging Techniques
A research team from the Military Technical College and from Cairo University in Cairo, Egypt have developed a fluorescence hyper-spectral imaging system which can be employed for diagnosis and detection ...
Photocoagulation Using Lasers for Treating Diabetic Retinopathy
Photocoagulation Using Lasers for Treating Diabetic Retinopathy
Lasers came into the field of ophthalmology in 1961, when Ruby laser was used to create ocular lesions in rabbits. Unfortunately, creating vascular lesions in the human retina was not effective at that ...
Holmium Lasers: The Solid State Laser for Lithotripsy
Holmium Lasers: The Solid State Laser for Lithotripsy
Human beings have suffered from kidney stone problems since 7000 BC. Despite advances in treatment, incidence of renal stone disorder has increased over the past few decades. Lasers have been used to ...
Transmyocardial Surgery: Using Lasers to Increase Vascular Flow
Transmyocardial Surgery: Using Lasers to Increase Vascular Flow
Cardiovascular diseases are among the top causes of death and morbidity in developed nations. In particular, diseases of the coronary arteries are most prevalent. Lasers are well suited to diagnose and ...