Results 281 to 290 of about 8,681,014 (339)
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Physics Today, 1950
In geometrical optics, light is said to travel along rays, but nothing is said about its intensity.
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In geometrical optics, light is said to travel along rays, but nothing is said about its intensity.
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Obstetrics and Gynecology Clinics of North America, 2010
Intense Pulsed Light (IPL) is an FDA-approved photo therapy for the treatment of a variety of conditions such as acne and hirsutism. It utilizes the principle of selective photothermolysis. Photothermolysis allows a specific wavelength to be delivered to a chromophore of a designated tissue while leaving the surrounding tissue unaffected.
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Intense Pulsed Light (IPL) is an FDA-approved photo therapy for the treatment of a variety of conditions such as acne and hirsutism. It utilizes the principle of selective photothermolysis. Photothermolysis allows a specific wavelength to be delivered to a chromophore of a designated tissue while leaving the surrounding tissue unaffected.
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Arbitrary Manipulation of Light Intensity by Bilayer Aluminum Metasurfaces
Advanced Optical Materials, 2019Realizing the arbitrary manipulation of light intensity on the microscale is a fundamental requirement for the miniaturization and integration of optical devices, which would have a substantial impact in the fields of high‐resolution imaging and ...
Zhancheng Li +5 more
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2014
Intense pulsed light (IPL) is a high-intensity, polychromatic, noncoherent light source used to treat a variety of skin conditions. It is frequently used to treat vascular lesions using the principles of selective photothermolysis, and it is often the technique of choice due to its range of effective wavelengths.
Arisa Ortiz, E Ross
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Intense pulsed light (IPL) is a high-intensity, polychromatic, noncoherent light source used to treat a variety of skin conditions. It is frequently used to treat vascular lesions using the principles of selective photothermolysis, and it is often the technique of choice due to its range of effective wavelengths.
Arisa Ortiz, E Ross
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Perceiving the Intensity of Light.
Psychological Review, 2004The relationship between luminance (i.e., the photometric intensity of light) and its perception (i.e., sensations of lightness or brightness) has long been a puzzle. In addition to the mystery of why these perceptual qualities do not scale with luminance in any simple way, "illusions" such as simultaneous brightness contrast, Mach bands, Craik-O'Brien-
Dale, Purves +3 more
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SPIE Proceedings, 2006
Any device built to measure the radiation power density, such as photocells, photomultipliers, takes relies on the absorption of radiation by matter. In this presentation, we are interested in the description of the incident radiation, in particular in how to express the number of photons and their fluctuations for different spectral compositions of ...
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Any device built to measure the radiation power density, such as photocells, photomultipliers, takes relies on the absorption of radiation by matter. In this presentation, we are interested in the description of the incident radiation, in particular in how to express the number of photons and their fluctuations for different spectral compositions of ...
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An organic transistor with light intensity-dependent active photoadaptation
Nature Electronics, 2021Zihan He +8 more
semanticscholar +1 more source
2017
Intense pulsed light (IPL) sources emit noncoherent, polychromatic pulsed light to induce photo thermal destruction of chromophores in the skin. IPL has been used in the treatment of a variety of cutaneous diseases. IPL has been described in current literature as a therapy for the treatment of a variety of disorders of hyperpigmentation including ...
Owen Kramer +2 more
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Intense pulsed light (IPL) sources emit noncoherent, polychromatic pulsed light to induce photo thermal destruction of chromophores in the skin. IPL has been used in the treatment of a variety of cutaneous diseases. IPL has been described in current literature as a therapy for the treatment of a variety of disorders of hyperpigmentation including ...
Owen Kramer +2 more
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2012
In this chapter you will learn how to sense the intensity of light in your close environment. In order to do that you will need another new component, called a photoresistor or light dependent resistor (LDR). I will explain the operating principle of this component later in the section “The Parts.” But first you’ll need to understand the description of
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In this chapter you will learn how to sense the intensity of light in your close environment. In order to do that you will need another new component, called a photoresistor or light dependent resistor (LDR). I will explain the operating principle of this component later in the section “The Parts.” But first you’ll need to understand the description of
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Rhodamine intense pulsed light versus conventional intense pulsed light for facial telangiectasias
Journal of Cosmetic and Laser Therapy, 2016Facial telangiectasias represent the major aesthetic alterations of several chronic inflammatory disorders arising on facial skin. We herein report on relevant clinical results of a new subtype of intense pulsed light treatments, the so-called rhodamine intense pulsed light (r-IPL), in comparison with conventional IPL (c-IPL) treatments on forty-five ...
Domenico, Piccolo +5 more
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