Surface Plasmon Surface Plasmon Resonance and Resonance and

Evanescent WavesEvanescent WavesMartin Goehle, Physics Teacher, Monacan High School, Yvonne Pfluger, Physics Teacher, Cosby High School, Jason Sterlace, Physics Teacher, J R Tucker High School

2009 MSIC Richmond, Virginia

2009 MSIC Richmond, VA2009 MSIC Richmond, VA

Background InformationBackground Information

http://www.pv.unsw.edu.au/Research/3gp_Surface_Plasmons.asp

2009 MSIC Richmond, VA2009 MSIC Richmond, VA

Wave ImportanceWave Importance

2009 MSIC Richmond, VA2009 MSIC Richmond, VA

Nanotechnology ObjectivesNanotechnology Objectives

Size and scaleSize and scale

Wave propertiesWave properties

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Instructional StrategiesInstructional Strategies

Anticipatory SetAnticipatory Set

1.11.1 Vocabulary Vocabulary

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Basic Wave VocabularyBasic Wave Vocabulary

• absorptionabsorption• amplitudeamplitude• boundary phenomena (absorption, diffraction, reflection, refraction)boundary phenomena (absorption, diffraction, reflection, refraction)• diffractiondiffraction• energyenergy• frequencyfrequency• incident angleincident angle• interferenceinterference• normalnormal• periodperiod• reflected anglereflected angle• refracted anglerefracted angle• reflectionreflection• refractionrefraction• Snell’s LawSnell’s Law• wavewave• wave lengthwave length• wave speedwave speed• Surface Plasmon VocabularySurface Plasmon Vocabulary• additional boundary phenomena (evanescent wave, surface plasmon)additional boundary phenomena (evanescent wave, surface plasmon)• critical angle (more advanced Snell’s Law)critical angle (more advanced Snell’s Law)• evanescent waveevanescent wave• fiber optics ??? (as example of how total internal reflection is used)fiber optics ??? (as example of how total internal reflection is used)• laserlaser• surface plasmon resonancesurface plasmon resonance• total internal reflectiontotal internal reflection

2009 MSIC Richmond, VA2009 MSIC Richmond, VA

1.2. Basic index of refraction 1.2. Basic index of refraction determination type lab using the determination type lab using the substances we will be using for the substances we will be using for the total internal reflection gelatin lab.  total internal reflection gelatin lab.  Students have already calculated Students have already calculated values and they can anticipate values and they can anticipate layering, layering, etc.etc.

2009 MSIC Richmond, VA2009 MSIC Richmond, VA

2. Anticipatory Set2. Anticipatory Set

2.1. Waves2.1. Waves2.2. Reflection/Refraction2.2. Reflection/Refraction

http://www.physicsclassroom.com/Class/indexhttp://www.physicsclassroom.com/Class/index.cfm.cfm

2009 MSIC Richmond, VA2009 MSIC Richmond, VA

3. Anticipatory Set:3. Anticipatory Set:

3.1. Refraction3.1. Refraction

http://theory.uwinnipeg.ca/mod_tech/node114.html.

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4. Anticipatory 4. Anticipatory Demonstration:Demonstration:

4.1. Ripple Tank diffraction, reflection, 4.1. Ripple Tank diffraction, reflection, refractionrefraction

2009 MSIC Richmond, VA2009 MSIC Richmond, VA

5. Demonstration:5. Demonstration:

5.1 5.1 advancedadvanced ripple tank (square) - ripple tank (square) - evanescent wave/surface plasmon evanescent wave/surface plasmon laser beam basics and showing total laser beam basics and showing total internal reflection (in water flowing internal reflection (in water flowing through a hole, in fiber optic, clear through a hole, in fiber optic, clear container, container, etcetc))

2009 MSIC Richmond, VA2009 MSIC Richmond, VA

Ripple Tank set-up Ripple Tank set-up

2009 MSIC Richmond, VA2009 MSIC Richmond, VA

Demonstration Instructor Info: Demonstration Instructor Info: Biocore Surface Plasmon Resonance Biocore Surface Plasmon Resonance (For Instructor Background Info)(For Instructor Background Info)

http://www.astbury.leeds.ac.uk/facil/SPR/spr_intro2004.htmhttp://www.astbury.leeds.ac.uk/facil/SPR/spr_intro2004.htm

2009 MSIC Richmond, VA2009 MSIC Richmond, VA

PracticePractice

Jell-O ActivityJell-O ActivityMaterials needed:Materials needed: Directions:Directions:

Teacher makes Jell-O molds in Teacher makes Jell-O molds in advance. Small student groups advance. Small student groups (number of available laser pens (number of available laser pens dependent)dependent)

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2009 MSIC Richmond, VA2009 MSIC Richmond, VA

2. Short Essay/Closure:

•Relate the movie, SPRi, to the Jell-O activity

Watch the movie and write a well-Watch the movie and write a well-constructed paragraph contrasting / constructed paragraph contrasting / comparing thecomparing the

nanoscale equipment technique to the nanoscale equipment technique to the macroscale gelatin model.macroscale gelatin model.

2009 MSIC Richmond, VA2009 MSIC Richmond, VA

Title Horiba: SPRi Surface Plasmon Resonance Imaging SystemsMaterials: Movie: SPRiSPRi

Click on box to begin viewing movie. No sound in movie.

SPRi Movie HJY.avi

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ExtensionExtension

Title Detection of Surface Plasmon Resonance

Materials:http://www.nanoed.org/concepts_apps/detection_of_surface_plasmon_waves/

Directions: Explore the site for great nano stuff!