File:JILA; Radiation Instrument (5881383509).jpg
Original file (1,614 × 2,016 pixels, file size: 2.14 MB, MIME type: image/jpeg)
Captions
Summary
[edit]DescriptionJILA; Radiation Instrument (5881383509).jpg |
JILA instrument for generating terahertz radiation. Ultrafast pulses of near-infrared laser light enter through the lens at left, striking a semiconductor wafer studded with electrodes (transparent square barely visible under the white box connected to orange wires) bathed in an oscillating electric field. The light dislodges electrons, which accelerate in the electric field and emit waves of terahertz radiation. The radiation bounces off the reflective dishes at the bottom and top of the photo and hits the circular detector on the right. Credit: Zhang/JILA Disclaimer: Any mention of commercial products within NIST web pages is for information only; it does not imply recommendation or endorsement by NIST. Use of NIST Information: These World Wide Web pages are provided as a public service by the National Institute of Standards and Technology (NIST). With the exception of material marked as copyrighted, information presented on these pages is considered public information and may be distributed or copied. Use of appropriate byline/photo/image credits is requested. |
Date | |
Source | JILA; Radiation Instrument |
Author | National Institute of Standards and Technology |
Licensing
[edit]Public domainPublic domainfalsefalse |
This image is in the public domain in the United States because it is a work of the United States Federal Government, specifically an employee of the National Institute of Standards and Technology, under the terms of Title 17, Chapter 1, Section 105 of the US Code.
English ∙ 日本語 ∙ македонски ∙ Nederlands ∙ +/− |
This image was originally posted to Flickr by National Institute of Standards and Technology at https://flickr.com/photos/63059536@N06/5881383509. It was reviewed on 7 September 2016 by FlickreviewR and was confirmed to be licensed under the terms of the United States Government Work. |
7 September 2016
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 02:37, 7 September 2016 | 1,614 × 2,016 (2.14 MB) | Vanished Account Byeznhpyxeuztibuo (talk | contribs) | Transferred from Flickr via Flickr2Commons |
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Metadata
This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Camera manufacturer | Canon |
---|---|
Camera model | Canon PowerShot A720 IS |
Exposure time | 1/8 sec (0.125) |
F-number | f/3.2 |
ISO speed rating | 200 |
Date and time of data generation | 22:52, 30 August 2008 |
Lens focal length | 8.336 mm |
Width | 3,264 px |
Height | 2,448 px |
Bits per component |
|
Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Software used | Adobe Photoshop CS5 Windows |
File change date and time | 16:17, 18 January 2011 |
Y and C positioning | Centered |
Exif version | 2.2 |
Date and time of digitizing | 22:52, 30 August 2008 |
Meaning of each component |
|
Image compression mode | 5 |
APEX shutter speed | 3 |
APEX aperture | 3.34375 |
APEX exposure bias | 0 |
Maximum land aperture | 3.34375 APEX (f/3.19) |
Subject distance | 0.1 meters |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression |
Supported Flashpix version | 1 |
Color space | sRGB |
Focal plane X resolution | 14,506.666666667 |
Focal plane Y resolution | 14,485.207100592 |
Focal plane resolution unit | inches |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Scene capture type | Standard |
Lens used | 5.8-34.8 mm |
Date metadata was last modified | 11:17, 18 January 2011 |
Unique ID of original document | xmp.did:895596024723E011B8E39487FB923928 |