Page contents not supported in other languages.

Original file ‎(4,032 × 3,024 pixels, file size: 4.51 MB, MIME type: image/jpeg)

Summary

Description
English: Laser pointers
  • Red lasers: 635nm, 660nm
  • Green lasers: 520nm, 532nm
  • Blue lasers: 405nm, 445nm
Date
Source Own work
Author 彭嘉傑
Permission
(Reusing this file)
I, the copyright holder of this work, hereby publish it under the following license:
w:en:Creative Commons
attribution
This file is licensed under the Creative Commons Attribution 2.5 Generic license.
You are free:
  • to share – to copy, distribute and transmit the work
  • to remix – to adapt the work
Under the following conditions:
  • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
Other versions File:Light Amplification by Stimulated Emission of Radiation.jpg
File:LASER.JPG

Licensing

I, the copyright holder of this work, hereby publish it under the following licenses:
GNU head Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.
w:en:Creative Commons
attribution share alike
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
You are free:
  • to share – to copy, distribute and transmit the work
  • to remix – to adapt the work
Under the following conditions:
  • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
  • share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
You may select the license of your choice.

Captions

GM laserxndbhr

Items portrayed in this file

depicts

laser

creator

some value

URL: https://commons.wikimedia.org/wiki/User:彭嘉傑
Wikimedia username: 彭嘉傑
author name string: 彭嘉傑
object has role: photographer

copyright status

copyrighted

copyright license

Creative Commons Attribution 2.5 Generic

Creative Commons Attribution-ShareAlike 3.0 Unported

GNU Free Documentation License, version 1.2 or later

source of file

original creation by uploader

inception

1 July 2017

exposure time

0.1 second

f-number

1.7

focal length

4.25 millimetre

ISO speed

500

media type

image/jpeg

instance of

photograph

File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current18:35, 7 July 2017Thumbnail for version as of 18:35, 7 July 20174,032 × 3,024 (4.51 MB)JdxOptimized version, stripped of redundant data.
17:30, 7 July 2017Thumbnail for version as of 17:30, 7 July 20174,032 × 3,024 (9.58 MB)彭嘉傑Exif
17:00, 7 July 2017Thumbnail for version as of 17:00, 7 July 20174,032 × 3,024 (9.58 MB)彭嘉傑
The following pages on the English Wikipedia use this file (pages on other projects are not listed):

Global file usage

The following other wikis use this file:

View more global usage of this file.

Metadata

This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.

If the file has been modified from its original state, some details may not fully reflect the modified file.

source: http://en.wikipedia.org/wiki/File:Lasers.JPG