looking for the old 2018 version? https://iwant2study.org/lookangejss/04waves_13electromagneticspectrum/ejss_model_spectrumanalyzer/spectrumanalyzer_Simulation.xhtml Use this instead. 

2019 version 2:  https://iwant2study.org/lookangejss/04waves_13electromagneticspectrum/ejss_model_spectrumanalyzer_2019_v2/

2019 version 3:  https://iwant2study.org/lookangejss/04waves_13electromagneticspectrum/ejss_model_spectrumanalyzer_2019_v3/

2019 v4: https://iwant2study.org/lookangejss/04waves_13electromagneticspectrum/ejss_model_spectrumanalyzer_2019_v4/ 

2019 v5: https://iwant2study.org/lookangejss/04waves_13electromagneticspectrum/ejss_model_spectrumanalyzer_2019_v5/

https://iwant2study.org/lookangejss/04waves_13electromagneticspectrum/ejss_model_spectrumanalyzer_2019_v7/

https://iwant2study.org/lookangejss/04waves_13electromagneticspectrum/ejss_model_spectrumanalyzer_2019_v9/

https://iwant2study.org/lookangejss/04waves_13electromagneticspectrum/ejss_model_spectrumanalyzer_2019_v10/

 https://iwant2study.org/lookangejss/04waves_13electromagneticspectrum/ejss_model_spectrumanalyzer_2019_v11/

 https://iwant2study.org/lookangejss/04waves_13electromagneticspectrum/ejss_model_spectrumanalyzer_2019_v12/

 https://iwant2study.org/lookangejss/04waves_13electromagneticspectrum/ejss_model_spectrumanalyzer_2019_v13/

 https://iwant2study.org/lookangejss/04waves_13electromagneticspectrum/ejss_model_spectrumanalyzer_2019_v14/ identify gas more correctly before change layout

https://iwant2study.org/lookangejss/04waves_13electromagneticspectrum/ejss_model_spectrumanalyzer_2019_v15/ before changing to landscape again

 

 

 

 

 

Download ModelDownload Sourceembed

About

 

For Teachers

Translations

Code Language Translator Run

Software Requirements

SoftwareRequirements


Android iOS Windows MacOS
with best with Chrome Chrome Chrome Chrome
support full-screen? Yes. Chrome/Opera No. Firefox/ Samsung Internet Not yet Yes Yes
cannot work on some mobile browser that don't understand JavaScript such as.....
cannot work on Internet Explorer 9 and below

 

Credits

Félix J. García Clemente; Tze Kwang Leong; Loo Kang Wee

end faq

Resources to make the spectrometer work

https://publiclab.org/sites/default/files/8.5x11mini-spec3.8.pdf SpectralWorkbench.org

https://publiclab.org/wiki/smartphone-spectrometer Smartphone spectrometer How to 3D Print Edited by Joseph Tan Jit Bin (NUSHS)

https://www.ebay.com/itm/Diffraction-Grating-Roll-Sheet-Linear-1000-lines-mm-Laser-Holographic-Spectrum-/280859388704?_ul=SG

For Teachers

1 mm slit
https://iwant2study.org/ospsg/index.php/643

 

2 mm slit Bigger slit = brighter but less defined (wider peaks)
https://iwant2study.org/ospsg/index.php/643

Video

https://www.youtube.com/watch?v=hZkVYuw4pJ4   Making your Foldable Paper Cellphone Spectrometer by Marysusan Noll

 Version:

  1. prototype: https://iwant2study.org/lookangejss/00workshop/2017FelixPaco/day4/ejss_model_dataLogger/dataLogger_Simulation.xhtml 
  2. https://iwant2study.org/lookangejss/04waves_13electromagneticspectrum/ejss_model_dataLogger/ 

Other Resources

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end faq

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