Near-Field Scanning Optical Imaging with Monolithic Silicon Light Emitting Diode on Probe Tip

2008 ◽  
Author(s):  
Kazunori Hoshino ◽  
Ashwini Gopal ◽  
David A. Vanden Bout ◽  
Xiaojing Zhang
Keyword(s):  
Optical Imaging ◽  
Light Emitting Diode ◽  
Near Field ◽  
Light Emitting ◽  
Near Field Scanning

scholarly journals Near-field scanning optical microscopy with monolithic silicon light emitting diode on probe tip

2008 ◽  
Vol 92 (13) ◽  
pp. 131106 ◽  
Author(s):  
Kazunori Hoshino ◽  
Lynn J. Rozanski ◽  
David A. Vanden Bout ◽  
Xiaojing Zhang
Keyword(s):  
Optical Microscopy ◽  
Light Emitting Diode ◽  
Near Field ◽  
Light Emitting ◽  
Scanning Optical Microscopy ◽  
Near Field Scanning

Near-field scanning optical micro probe integrated with a nanometer-sized light emitting diode

2007 ◽  
Author(s):  
Kazunori Hoshino ◽  
Lynn Rozanski ◽  
David A. Vanden Bout ◽  
Xiaojing Zhang
Keyword(s):  
Light Emitting Diode ◽  
Near Field ◽  
Light Emitting ◽  
Near Field Scanning

VIS-NIR LED Illumination in Backside Circuit Edit and Optical Probing Applications

2012 ◽  
Author(s):  
Shida Tan ◽  
Richard H. Livengood ◽  
Dane Scott ◽  
Roy Hallstein ◽  
Pat Pardy ◽  
...  
Keyword(s):  
High Resolution ◽  
Image Quality ◽  
Optical Imaging ◽  
Narrow Band ◽  
Light Emitting Diode ◽  
Air Gap ◽  
Optical Image ◽  
Proof Of Concept ◽  
Light Emitting ◽  
Optical Probing

Abstract High resolution optical imaging is critical in assisting backside circuit edit (CE) and optical probing navigation. In this paper, we demonstrated improved optical image quality using VIS-NIR narrow band light emitting diode (LED) illumination in various FIB and optical probing platforms. The proof of concept was demonstrated with both common non-contact air gap lenses and solid immersion lenses (SIL).

Spatial Inhomogeneity of Photoluminescence in an InGaN-Based Light-Emitting Diode Structure Probed by Near-Field optical Microscopy Under Illumination-Collection Mode

2001 ◽  
Vol 40 (Part 1, No. 1) ◽  
pp. 110-111 ◽  
Author(s):  
Akio Kaneta ◽  
Tomoaki Izumi ◽  
Koichi Okamoto ◽  
Yoichi Kawakami ◽  
Shigeo Fujita ◽  
...  
Keyword(s):  
Optical Microscopy ◽  
Light Emitting Diode ◽  
Near Field ◽  
Diode Structure ◽  
Spatial Inhomogeneity ◽  
Light Emitting

scholarly journals Mobilizing Skin Care: Measuring and Tracking External Conditions with Light Emitting Diodes

2019 ◽  
Vol 6 (2) ◽  
pp. 17
Author(s):  
Stephen J McNeill
Keyword(s):  
Uv Light ◽  
Respiratory Health ◽  
Light Emitting Diode ◽  
Near Field ◽  
Free Water ◽  
The United States ◽  
Skin Care ◽  
Uv Index ◽  
Light Emitting ◽  
External Conditions

Light emitting diode (LED) technology allows users to monitor their indoor and outdoor environments while engaged in various tasks. LED has long been touted for its direct benefits to the skin; now, new LED technology is monitoring many external conditions that directly relate to human skin and respiratory health. My Skin Track UV, from La Roche Posay, is an integrated near-field communication (NFC) app. The light emitting diode (LED) acts as a detector to capture UV light. The battery-free, water-proof LED is worn on clothing and the energy is read by transferring data from the sensor to a smartphone via NFC technology. Based on one’s UV exposure and other environmental factors, the app uses a closed-loop, proprietary algorithm to issue a notification when environmental exposure is at a level that contributes to the users’ specific skin concerns. Skin cancer is the most common form of cancer in the United States and is the easiest to prevent. My Skin Track UV measures UVA and UVB exposure, noting the maximum percentage of sun-stock – the recommended maximum daily allowance of UV based on skin tone and the UV index. It also tracks pollen, pollution, temperature, and humidity. This paper discusses application of LED and NFC technology and reviews similar skin care applications and health education, including uses and gratifications. The associated paper features background technological research behind the evolution of smart-phone UV skin monitoring. The paper also includes results from product demonstration.

Near-field scanning optical microscopy imaging of luminescent polymers

1996 ◽  
Vol 54 ◽  
pp. 860-861
Author(s):  
J. Kerimo ◽  
D. A. Vanden Bout ◽  
D. A. Higgins ◽  
P.F. Barbara
Keyword(s):  
Organic Semiconductors ◽  
Near Field ◽  
Practical Importance ◽  
Numerical Aperture ◽  
Optical Resolution ◽  
Microscopy Imaging ◽  
Light Emitting ◽  
Scanning Optical Microscopy ◽  
Luminescent Polymer ◽  
Near Field Scanning

Conjugated polymers such as poly(p-pyridyl vinylene)(PPyV) have interesting photoluminescence and electroluminescence properties. These polymers have a high quantum yield of luminescence and are of great practical importance as light-emitting diodes or organic semiconductors. We have performed studies on thin films(about 50nm) of these polymers using the high spatial optical resolution of NSOM.The luminescent polymer film was excited with 488nm light and the fluorescence was collected with a high numerical aperture microscope objective. Topography and NSOM fluorescence images were collected simultaneously and used for studying the morphology and optical properties of the film. An example of topography and fluorescence NSOM images of the film is shown in Fig. 1a. The films are very flat (2nm rms variations in topography) and have very few features. The NSOM fluorescence image shows great film inhomogeneity with bright features varying in size from 80-250nm observed throughout (Fig. 1b). These features do not correlate with the topography, indicating they may be located in the bulk of the polymer or are simply not resolvable in the topography image.

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