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Graphical Approach to Multi-slit Interference Analysis
written by
Patricia Allen
When Young's double-slit experiment is conducted in undergraduate lab courses, wavelength or slit spacing is commonly calculated using Young's relation. For multi-slit gratings of 500 lines/mm, or more, few orders of interference fringes are observed, generating inaccurate and imprecise results. Here the author suggests alternate data acquisition and analysis techniques. By graphing average distance xavg from the 0th order to 1st order fringe as a function of distance from grating to screen L a linear relationship can be obtained, with the slope related to wavelength/slit spacing. With some algebra, accurate (within 1%) and precise results can be obtained. The experimental set-up used at Appalachian State University will be presented, along with sample student results, including error propagation calculations utilized during a sophomore/junior lab "intermediate" lab course (precursor to capstone lab experience).
2018 Conference on Laboratory Instruction Beyond the First Year of College
Part of the BFY Conference series Baltimore, MD: July 25-27, 2018
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Record Link
<a href="https://www.compadre.org/portal/items/detail.cfm?ID=14958">Allen, Patricia. "Graphical Approach to Multi-slit Interference Analysis." Paper presented at the 2018 Conference on Laboratory Instruction Beyond the First Year of College, Baltimore, MD, July 25-27, 2018.</a>
AIP Format
P. Allen, , presented at the 2018 Conference on Laboratory Instruction Beyond the First Year of College, Baltimore, MD, 2018, WWW Document, (https://www.compadre.org/Repository/document/ServeFile.cfm?ID=14958&DocID=5018).
AJP/PRST-PER
P. Allen, Graphical Approach to Multi-slit Interference Analysis, presented at the 2018 Conference on Laboratory Instruction Beyond the First Year of College, Baltimore, MD, 2018, <https://www.compadre.org/Repository/document/ServeFile.cfm?ID=14958&DocID=5018>.
APA Format
Allen, P. (2018, July 25-27). Graphical Approach to Multi-slit Interference Analysis. Paper presented at 2018 Conference on Laboratory Instruction Beyond the First Year of College, Baltimore, MD. Retrieved May 6, 2024, from https://www.compadre.org/Repository/document/ServeFile.cfm?ID=14958&DocID=5018
Chicago Format
Allen, Patricia. "Graphical Approach to Multi-slit Interference Analysis." Paper presented at the 2018 Conference on Laboratory Instruction Beyond the First Year of College, Baltimore, MD, July 25-27, 2018. https://www.compadre.org/Repository/document/ServeFile.cfm?ID=14958&DocID=5018 (accessed 6 May 2024).
MLA Format
Allen, Patricia. "Graphical Approach to Multi-slit Interference Analysis." 2018 Conference on Laboratory Instruction Beyond the First Year of College. Baltimore, MD: 2018. of BFY Conference. 6 May 2024 <https://www.compadre.org/Repository/document/ServeFile.cfm?ID=14958&DocID=5018>.
BibTeX Export Format
@inproceedings{
Author = "Patricia Allen",
Title = {Graphical Approach to Multi-slit Interference Analysis},
BookTitle = {2018 Conference on Laboratory Instruction Beyond the First Year of College},
Address = {Baltimore, MD},
Series = {BFY Conference},
Month = {July 25-27},
Year = {2018}
}
Refer Export Format
%A Patricia Allen %T Graphical Approach to Multi-slit Interference Analysis %S BFY Conference %D July 25-27 2018 %C Baltimore, MD %U https://www.compadre.org/Repository/document/ServeFile.cfm?ID=14958&DocID=5018 %O 2018 Conference on Laboratory Instruction Beyond the First Year of College %O July 25-27 %O application/pdf
EndNote Export Format
%0 Conference Proceedings %A Allen, Patricia %D July 25-27 2018 %T Graphical Approach to Multi-slit Interference Analysis %B 2018 Conference on Laboratory Instruction Beyond the First Year of College %C Baltimore, MD %S BFY Conference %8 July 25-27 %U https://www.compadre.org/Repository/document/ServeFile.cfm?ID=14958&DocID=5018 Disclaimer: ComPADRE offers citation styles as a guide only. We cannot offer interpretations about citations as this is an automated procedure. Please refer to the style manuals in the Citation Source Information area for clarifications.
Citation Source Information
The AIP Style presented is based on information from the AIP Style Manual. The APA Style presented is based on information from APA Style.org: Electronic References. The Chicago Style presented is based on information from Examples of Chicago-Style Documentation. The MLA Style presented is based on information from the MLA FAQ. Graphical Approach to Multi-slit Interference Analysis:
Is Part Of
2018 BFY Proceedings
Is Part Of
2018 BFY Proceedings
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