lakhtakia 15 3slides - e-fermat.org · mimumes by akhlesh lakhtakia pennsylvania state university...
TRANSCRIPT
![Page 1: Lakhtakia 15 3Slides - e-fermat.org · Mimumes by Akhlesh Lakhtakia Pennsylvania State University Department of Engineering Science and Mechanics EE500GraduateColloquium DepartmentofElectricalEngineering](https://reader035.vdocument.in/reader035/viewer/2022070802/5f02bec67e708231d405cd0c/html5/thumbnails/1.jpg)
Mimumesby
Akhlesh Lakhtakia
Pennsylvania State University Department of Engineering Science and Mechanics
EE 500 Graduate Colloquium Department of Electrical Engineering Penn State February 12, 2015
Forum for Electromagnetic Research Methods and Application Technologies (FERMAT)
Abstract: Biological structures have evolved to be multifunctional, thereby engendering both economy and adaptability. Inspired by the plethora of surfaces and interfaces possessed by multifunctional biological structures, mimumes are microfibrous multifunctional metamaterials. Their microfibrosity enhances the roles of surface-dominated phenomenons and gives rise to multifunctionality. The chief vehicle for my conceptualization of mimumes is Parylene C, a chlorinated poly(p-xylylene) polymer that is currently used in the bulk non-fibrous form for packaging and tribological applications in electronic and medical arenas. Parylene-C mimumes are expected to display simultaneous ultrasonic, biomedical, terahertz, light, and energy functionalities. Other poly(p-xylylene) polymers are also promising candidats.
Keywords: Bioinspiration, Biomedical, Biomimetics, Bioreplication, Energy harvesting, Metamaterial, Microfibrosity, Multifunctionality, Parylene C, Poly(p-xylylene), Terahertz, Ultrasonic, Ultraviolet.
![Page 2: Lakhtakia 15 3Slides - e-fermat.org · Mimumes by Akhlesh Lakhtakia Pennsylvania State University Department of Engineering Science and Mechanics EE500GraduateColloquium DepartmentofElectricalEngineering](https://reader035.vdocument.in/reader035/viewer/2022070802/5f02bec67e708231d405cd0c/html5/thumbnails/2.jpg)
Copycat Technology Copycat Technology
A. Lakhtakia
![Page 3: Lakhtakia 15 3Slides - e-fermat.org · Mimumes by Akhlesh Lakhtakia Pennsylvania State University Department of Engineering Science and Mechanics EE500GraduateColloquium DepartmentofElectricalEngineering](https://reader035.vdocument.in/reader035/viewer/2022070802/5f02bec67e708231d405cd0c/html5/thumbnails/3.jpg)
A. Lakhtakia
![Page 4: Lakhtakia 15 3Slides - e-fermat.org · Mimumes by Akhlesh Lakhtakia Pennsylvania State University Department of Engineering Science and Mechanics EE500GraduateColloquium DepartmentofElectricalEngineering](https://reader035.vdocument.in/reader035/viewer/2022070802/5f02bec67e708231d405cd0c/html5/thumbnails/4.jpg)
Nature vs Human Efforts
• Natural pathways: inefficient development• Human pathways: efficient development (?)
• Nature: lots of Xme (billions of years)• Humanoids have: liGle Xme (200 K years)
A. Lakhtakia
![Page 5: Lakhtakia 15 3Slides - e-fermat.org · Mimumes by Akhlesh Lakhtakia Pennsylvania State University Department of Engineering Science and Mechanics EE500GraduateColloquium DepartmentofElectricalEngineering](https://reader035.vdocument.in/reader035/viewer/2022070802/5f02bec67e708231d405cd0c/html5/thumbnails/5.jpg)
Bioinspira3on: produce natural outcomes
Engineered Biomimicry A. Lakhtakia
![Page 6: Lakhtakia 15 3Slides - e-fermat.org · Mimumes by Akhlesh Lakhtakia Pennsylvania State University Department of Engineering Science and Mechanics EE500GraduateColloquium DepartmentofElectricalEngineering](https://reader035.vdocument.in/reader035/viewer/2022070802/5f02bec67e708231d405cd0c/html5/thumbnails/6.jpg)
Biomime3cs: reproduce natural func;onali;es
Biomime3cs: reproduce natural func;onali;es
Engineered Biomimicry A. Lakhtakia
![Page 7: Lakhtakia 15 3Slides - e-fermat.org · Mimumes by Akhlesh Lakhtakia Pennsylvania State University Department of Engineering Science and Mechanics EE500GraduateColloquium DepartmentofElectricalEngineering](https://reader035.vdocument.in/reader035/viewer/2022070802/5f02bec67e708231d405cd0c/html5/thumbnails/7.jpg)
Bioreplica3on: reproduce natural devices
Biomime3cs: reproduce natural func;onali;es
Bioreplica3on: reproduce natural devices
Engineered Biomimicry A. Lakhtakia
![Page 8: Lakhtakia 15 3Slides - e-fermat.org · Mimumes by Akhlesh Lakhtakia Pennsylvania State University Department of Engineering Science and Mechanics EE500GraduateColloquium DepartmentofElectricalEngineering](https://reader035.vdocument.in/reader035/viewer/2022070802/5f02bec67e708231d405cd0c/html5/thumbnails/8.jpg)
Bioinspira3on: outcomes Biomime3cs: func;onali;es Bioreplica3on: devices
Engineered Biomimicry A. Lakhtakia
![Page 9: Lakhtakia 15 3Slides - e-fermat.org · Mimumes by Akhlesh Lakhtakia Pennsylvania State University Department of Engineering Science and Mechanics EE500GraduateColloquium DepartmentofElectricalEngineering](https://reader035.vdocument.in/reader035/viewer/2022070802/5f02bec67e708231d405cd0c/html5/thumbnails/9.jpg)
Bioreplica3on
NaXonal Gallery of Art, Washington, D.C.,
A. Lakhtakia
![Page 10: Lakhtakia 15 3Slides - e-fermat.org · Mimumes by Akhlesh Lakhtakia Pennsylvania State University Department of Engineering Science and Mechanics EE500GraduateColloquium DepartmentofElectricalEngineering](https://reader035.vdocument.in/reader035/viewer/2022070802/5f02bec67e708231d405cd0c/html5/thumbnails/10.jpg)
MulXfuncXonality
A. Lakhtakia
![Page 11: Lakhtakia 15 3Slides - e-fermat.org · Mimumes by Akhlesh Lakhtakia Pennsylvania State University Department of Engineering Science and Mechanics EE500GraduateColloquium DepartmentofElectricalEngineering](https://reader035.vdocument.in/reader035/viewer/2022070802/5f02bec67e708231d405cd0c/html5/thumbnails/11.jpg)
MulXfuncXonality
MulXfuncXonal materials Example: Lithium niobate Polar dielectric à ferroelectric Pyroelectric Piezoelectric Photoelas;c Electro-‐op;c à Pockels effect Op;cally nonlinear
A. Lakhtakia
![Page 12: Lakhtakia 15 3Slides - e-fermat.org · Mimumes by Akhlesh Lakhtakia Pennsylvania State University Department of Engineering Science and Mechanics EE500GraduateColloquium DepartmentofElectricalEngineering](https://reader035.vdocument.in/reader035/viewer/2022070802/5f02bec67e708231d405cd0c/html5/thumbnails/12.jpg)
MulXfuncXonality
Skin DefiniXon (“bag of bones”) Thermal isolaXon TacXle and temperature sensing ColoraXon for Camouflage ColoraXon for Visual Signals
A. Lakhtakia
![Page 13: Lakhtakia 15 3Slides - e-fermat.org · Mimumes by Akhlesh Lakhtakia Pennsylvania State University Department of Engineering Science and Mechanics EE500GraduateColloquium DepartmentofElectricalEngineering](https://reader035.vdocument.in/reader035/viewer/2022070802/5f02bec67e708231d405cd0c/html5/thumbnails/13.jpg)
Engineered MulXfuncXonality
A. Lakhtakia
![Page 14: Lakhtakia 15 3Slides - e-fermat.org · Mimumes by Akhlesh Lakhtakia Pennsylvania State University Department of Engineering Science and Mechanics EE500GraduateColloquium DepartmentofElectricalEngineering](https://reader035.vdocument.in/reader035/viewer/2022070802/5f02bec67e708231d405cd0c/html5/thumbnails/14.jpg)
Engineered MulXfuncXonality (a) Conglomerate of single-‐funcXon devices and systems
A. Lakhtakia
![Page 15: Lakhtakia 15 3Slides - e-fermat.org · Mimumes by Akhlesh Lakhtakia Pennsylvania State University Department of Engineering Science and Mechanics EE500GraduateColloquium DepartmentofElectricalEngineering](https://reader035.vdocument.in/reader035/viewer/2022070802/5f02bec67e708231d405cd0c/html5/thumbnails/15.jpg)
Engineered MulXfuncXonality (a) Conglomerate of single-‐funcXon devices and systems (b) Composite materials
MulXfuncXonal composite materials
A. Lakhtakia
![Page 16: Lakhtakia 15 3Slides - e-fermat.org · Mimumes by Akhlesh Lakhtakia Pennsylvania State University Department of Engineering Science and Mechanics EE500GraduateColloquium DepartmentofElectricalEngineering](https://reader035.vdocument.in/reader035/viewer/2022070802/5f02bec67e708231d405cd0c/html5/thumbnails/16.jpg)
MulXfuncXonal composite materials
METAMATERIALS
A. Lakhtakia
![Page 17: Lakhtakia 15 3Slides - e-fermat.org · Mimumes by Akhlesh Lakhtakia Pennsylvania State University Department of Engineering Science and Mechanics EE500GraduateColloquium DepartmentofElectricalEngineering](https://reader035.vdocument.in/reader035/viewer/2022070802/5f02bec67e708231d405cd0c/html5/thumbnails/17.jpg)
Metamaterials
Walser’s DefiniXon (2001)
macroscopic composites having a manmade, three-‐dimensional, periodic cellular architecture designed to produce an opXmized combinaXon, not available in nature, of two or more responses to specific excitaXon
A. Lakhtakia
![Page 18: Lakhtakia 15 3Slides - e-fermat.org · Mimumes by Akhlesh Lakhtakia Pennsylvania State University Department of Engineering Science and Mechanics EE500GraduateColloquium DepartmentofElectricalEngineering](https://reader035.vdocument.in/reader035/viewer/2022070802/5f02bec67e708231d405cd0c/html5/thumbnails/18.jpg)
Metamaterials
Updated DefiniXon
macroscopic composites designed to produce an opXmized combinaXon of two or more responses to specific excitaXon
A. Lakhtakia
![Page 19: Lakhtakia 15 3Slides - e-fermat.org · Mimumes by Akhlesh Lakhtakia Pennsylvania State University Department of Engineering Science and Mechanics EE500GraduateColloquium DepartmentofElectricalEngineering](https://reader035.vdocument.in/reader035/viewer/2022070802/5f02bec67e708231d405cd0c/html5/thumbnails/19.jpg)
Engineered Multifunctional
Composite Materials
A. Lakhtakia
![Page 20: Lakhtakia 15 3Slides - e-fermat.org · Mimumes by Akhlesh Lakhtakia Pennsylvania State University Department of Engineering Science and Mechanics EE500GraduateColloquium DepartmentofElectricalEngineering](https://reader035.vdocument.in/reader035/viewer/2022070802/5f02bec67e708231d405cd0c/html5/thumbnails/20.jpg)
Parallel-plate capacitors
Device volume = Ad
A. Lakhtakia
![Page 21: Lakhtakia 15 3Slides - e-fermat.org · Mimumes by Akhlesh Lakhtakia Pennsylvania State University Department of Engineering Science and Mechanics EE500GraduateColloquium DepartmentofElectricalEngineering](https://reader035.vdocument.in/reader035/viewer/2022070802/5f02bec67e708231d405cd0c/html5/thumbnails/21.jpg)
Parallel-plate capacitors
Device volume = Ad
A. Lakhtakia
![Page 22: Lakhtakia 15 3Slides - e-fermat.org · Mimumes by Akhlesh Lakhtakia Pennsylvania State University Department of Engineering Science and Mechanics EE500GraduateColloquium DepartmentofElectricalEngineering](https://reader035.vdocument.in/reader035/viewer/2022070802/5f02bec67e708231d405cd0c/html5/thumbnails/22.jpg)
Parallel-plate capacitorsA. Lakhtakia
![Page 23: Lakhtakia 15 3Slides - e-fermat.org · Mimumes by Akhlesh Lakhtakia Pennsylvania State University Department of Engineering Science and Mechanics EE500GraduateColloquium DepartmentofElectricalEngineering](https://reader035.vdocument.in/reader035/viewer/2022070802/5f02bec67e708231d405cd0c/html5/thumbnails/23.jpg)
Parallel-plate capacitorsA. Lakhtakia
![Page 24: Lakhtakia 15 3Slides - e-fermat.org · Mimumes by Akhlesh Lakhtakia Pennsylvania State University Department of Engineering Science and Mechanics EE500GraduateColloquium DepartmentofElectricalEngineering](https://reader035.vdocument.in/reader035/viewer/2022070802/5f02bec67e708231d405cd0c/html5/thumbnails/24.jpg)
FractalsA. Lakhtakia
![Page 25: Lakhtakia 15 3Slides - e-fermat.org · Mimumes by Akhlesh Lakhtakia Pennsylvania State University Department of Engineering Science and Mechanics EE500GraduateColloquium DepartmentofElectricalEngineering](https://reader035.vdocument.in/reader035/viewer/2022070802/5f02bec67e708231d405cd0c/html5/thumbnails/25.jpg)
FractalsA. Lakhtakia
![Page 26: Lakhtakia 15 3Slides - e-fermat.org · Mimumes by Akhlesh Lakhtakia Pennsylvania State University Department of Engineering Science and Mechanics EE500GraduateColloquium DepartmentofElectricalEngineering](https://reader035.vdocument.in/reader035/viewer/2022070802/5f02bec67e708231d405cd0c/html5/thumbnails/26.jpg)
FractalsA. Lakhtakia
![Page 27: Lakhtakia 15 3Slides - e-fermat.org · Mimumes by Akhlesh Lakhtakia Pennsylvania State University Department of Engineering Science and Mechanics EE500GraduateColloquium DepartmentofElectricalEngineering](https://reader035.vdocument.in/reader035/viewer/2022070802/5f02bec67e708231d405cd0c/html5/thumbnails/27.jpg)
Multifunctional Composite Materials
General Principle
Lots of interfaces and surfaces in any fixed volume
Caveat: Mechanical strength
![Page 28: Lakhtakia 15 3Slides - e-fermat.org · Mimumes by Akhlesh Lakhtakia Pennsylvania State University Department of Engineering Science and Mechanics EE500GraduateColloquium DepartmentofElectricalEngineering](https://reader035.vdocument.in/reader035/viewer/2022070802/5f02bec67e708231d405cd0c/html5/thumbnails/28.jpg)
Multifunctional Composite Materials
microfibrous mulXfuncXonal metamaterial
![Page 29: Lakhtakia 15 3Slides - e-fermat.org · Mimumes by Akhlesh Lakhtakia Pennsylvania State University Department of Engineering Science and Mechanics EE500GraduateColloquium DepartmentofElectricalEngineering](https://reader035.vdocument.in/reader035/viewer/2022070802/5f02bec67e708231d405cd0c/html5/thumbnails/29.jpg)
Mimumes
Parylene C
US FDA Approval for implantable prostheses
Parylene Coating Services, Inc. http://www.paryleneinc.com/medicaldevices.html.
Pacemaker Catheter
A. Lakhtakia
![Page 30: Lakhtakia 15 3Slides - e-fermat.org · Mimumes by Akhlesh Lakhtakia Pennsylvania State University Department of Engineering Science and Mechanics EE500GraduateColloquium DepartmentofElectricalEngineering](https://reader035.vdocument.in/reader035/viewer/2022070802/5f02bec67e708231d405cd0c/html5/thumbnails/30.jpg)
Mimumes: BioscaffoldsA. Lakhtakia
![Page 31: Lakhtakia 15 3Slides - e-fermat.org · Mimumes by Akhlesh Lakhtakia Pennsylvania State University Department of Engineering Science and Mechanics EE500GraduateColloquium DepartmentofElectricalEngineering](https://reader035.vdocument.in/reader035/viewer/2022070802/5f02bec67e708231d405cd0c/html5/thumbnails/31.jpg)
Parylene-C Mimumes
Physicochemical Vapor Deposition + Oblique Angle Deposition
Pursel et al., Polymer 46, 9544 (2005)
A. Lakhtakia
![Page 32: Lakhtakia 15 3Slides - e-fermat.org · Mimumes by Akhlesh Lakhtakia Pennsylvania State University Department of Engineering Science and Mechanics EE500GraduateColloquium DepartmentofElectricalEngineering](https://reader035.vdocument.in/reader035/viewer/2022070802/5f02bec67e708231d405cd0c/html5/thumbnails/32.jpg)
Parylene-C Mimumes
χv =10°, 26 mTorr
• microfibrous morphology • periodic (chiral/chevronic) • porous on nano/micro-scales
Wei et al., Mater. Sci. Eng. C 30, 1252 (2010)
A. Lakhtakia
![Page 33: Lakhtakia 15 3Slides - e-fermat.org · Mimumes by Akhlesh Lakhtakia Pennsylvania State University Department of Engineering Science and Mechanics EE500GraduateColloquium DepartmentofElectricalEngineering](https://reader035.vdocument.in/reader035/viewer/2022070802/5f02bec67e708231d405cd0c/html5/thumbnails/33.jpg)
Parylene-C Mimumes
χv =10°, 26 mTorr
• microfibrous morphology • periodic (chiral/chevronic) • porous on nano/micro-scales
Wei et al., Mater. Sci. Eng. C 30, 1252 (2010)
A. Lakhtakia
![Page 34: Lakhtakia 15 3Slides - e-fermat.org · Mimumes by Akhlesh Lakhtakia Pennsylvania State University Department of Engineering Science and Mechanics EE500GraduateColloquium DepartmentofElectricalEngineering](https://reader035.vdocument.in/reader035/viewer/2022070802/5f02bec67e708231d405cd0c/html5/thumbnails/34.jpg)
Parylene-C Mimumes
Wei et al., Mater. Sci. Eng. C 30, 1252 (2010)
• Hydrophobic top surfaces • Hydrophilicity through oxygen-‐plasma treatment
M4L Plasma Etcher (PVATePla, Corona, CA)
Non-destructive process
Introduction of functional groups (C=O, C-O, O-C=O, etc.)
A. Lakhtakia
![Page 35: Lakhtakia 15 3Slides - e-fermat.org · Mimumes by Akhlesh Lakhtakia Pennsylvania State University Department of Engineering Science and Mechanics EE500GraduateColloquium DepartmentofElectricalEngineering](https://reader035.vdocument.in/reader035/viewer/2022070802/5f02bec67e708231d405cd0c/html5/thumbnails/35.jpg)
Parylene-C Mimumes
Wei et al., Mater. Sci. Eng. C 30, 1252 (2010)
Human Fibroblast Cells Attachment
Degree of cell attachment depends on surface roughness
A. Lakhtakia
![Page 36: Lakhtakia 15 3Slides - e-fermat.org · Mimumes by Akhlesh Lakhtakia Pennsylvania State University Department of Engineering Science and Mechanics EE500GraduateColloquium DepartmentofElectricalEngineering](https://reader035.vdocument.in/reader035/viewer/2022070802/5f02bec67e708231d405cd0c/html5/thumbnails/36.jpg)
Parylene-C Mimumes
Wei et al., Mater. Sci. Eng. C 30, 1252 (2010)
Cellular aGachment to (a) slanted columnar mimume (bar = 20 µm)
(b) chevronic mimume (bar = 25 µm) (c & d) chiral mimume (bars = 20 µm, 5 µm) (e & f) dense flat (control) (bars = 50 µm, 5 µm)
Cellular morphology depends on surface roughness
Human Fibroblast Cells Attachment
A. Lakhtakia
![Page 37: Lakhtakia 15 3Slides - e-fermat.org · Mimumes by Akhlesh Lakhtakia Pennsylvania State University Department of Engineering Science and Mechanics EE500GraduateColloquium DepartmentofElectricalEngineering](https://reader035.vdocument.in/reader035/viewer/2022070802/5f02bec67e708231d405cd0c/html5/thumbnails/37.jpg)
Parylene-C Mimumes
Wei et al., Mater. Sci. Eng. C 30, 1252 (2010)
(-‐/+P) without/with oxygen-‐plasma treatment (-‐/+S) without/with serum proteins
22-µm-thick slanted columnar STF substrate 18-µm-thick dense flat thin-film substrate (Control)
Human Fibroblast Cells Attachment
A. Lakhtakia
![Page 38: Lakhtakia 15 3Slides - e-fermat.org · Mimumes by Akhlesh Lakhtakia Pennsylvania State University Department of Engineering Science and Mechanics EE500GraduateColloquium DepartmentofElectricalEngineering](https://reader035.vdocument.in/reader035/viewer/2022070802/5f02bec67e708231d405cd0c/html5/thumbnails/38.jpg)
Parylene-C Mimumes
Wei et al., Mater. Sci. Eng. C 31, 1861 (2011)
• Hydrophobic top surfaces • Hydrophilicity through oxygen-‐plasma treatment AGachment of proteins is also controllable.
A. Lakhtakia
![Page 39: Lakhtakia 15 3Slides - e-fermat.org · Mimumes by Akhlesh Lakhtakia Pennsylvania State University Department of Engineering Science and Mechanics EE500GraduateColloquium DepartmentofElectricalEngineering](https://reader035.vdocument.in/reader035/viewer/2022070802/5f02bec67e708231d405cd0c/html5/thumbnails/39.jpg)
Mimumes for Ultrasonics
200-‐µm thick parylene chiral mimume
A. Lakhtakia
![Page 40: Lakhtakia 15 3Slides - e-fermat.org · Mimumes by Akhlesh Lakhtakia Pennsylvania State University Department of Engineering Science and Mechanics EE500GraduateColloquium DepartmentofElectricalEngineering](https://reader035.vdocument.in/reader035/viewer/2022070802/5f02bec67e708231d405cd0c/html5/thumbnails/40.jpg)
Mimumes for Terahertz Frequencies
200-‐µm thick parylene chiral mimume Bandstop filter for circularly polarized THz waves
A. Lakhtakia
![Page 41: Lakhtakia 15 3Slides - e-fermat.org · Mimumes by Akhlesh Lakhtakia Pennsylvania State University Department of Engineering Science and Mechanics EE500GraduateColloquium DepartmentofElectricalEngineering](https://reader035.vdocument.in/reader035/viewer/2022070802/5f02bec67e708231d405cd0c/html5/thumbnails/41.jpg)
Mimumes for Terahertz Frequencies+Ultrasonics
200-‐µm thick parylene chiral mimume
A. Lakhtakia
![Page 42: Lakhtakia 15 3Slides - e-fermat.org · Mimumes by Akhlesh Lakhtakia Pennsylvania State University Department of Engineering Science and Mechanics EE500GraduateColloquium DepartmentofElectricalEngineering](https://reader035.vdocument.in/reader035/viewer/2022070802/5f02bec67e708231d405cd0c/html5/thumbnails/42.jpg)
Mimumes for Terahertz Frequencies+Ultrasonics+Visible/Ultraviolet Light
200-‐µm thick parylene chiral mimume
A. Lakhtakia
![Page 43: Lakhtakia 15 3Slides - e-fermat.org · Mimumes by Akhlesh Lakhtakia Pennsylvania State University Department of Engineering Science and Mechanics EE500GraduateColloquium DepartmentofElectricalEngineering](https://reader035.vdocument.in/reader035/viewer/2022070802/5f02bec67e708231d405cd0c/html5/thumbnails/43.jpg)
Mimumes for Terahertz Frequencies+Ultrasonics+Visible/Ultraviolet Light
+Energy
Dye/QD-‐impregnated mimume as luminescent concentrator for PV solar cells
A. Lakhtakia
![Page 44: Lakhtakia 15 3Slides - e-fermat.org · Mimumes by Akhlesh Lakhtakia Pennsylvania State University Department of Engineering Science and Mechanics EE500GraduateColloquium DepartmentofElectricalEngineering](https://reader035.vdocument.in/reader035/viewer/2022070802/5f02bec67e708231d405cd0c/html5/thumbnails/44.jpg)
Mimumes for Terahertz Frequencies+Ultrasonics+Visible/Ultraviolet Light
+Energy
Unimpregnated mimume for trapping light in PV solar cells.
A. Lakhtakia
![Page 45: Lakhtakia 15 3Slides - e-fermat.org · Mimumes by Akhlesh Lakhtakia Pennsylvania State University Department of Engineering Science and Mechanics EE500GraduateColloquium DepartmentofElectricalEngineering](https://reader035.vdocument.in/reader035/viewer/2022070802/5f02bec67e708231d405cd0c/html5/thumbnails/45.jpg)
Mimumes for Terahertz Frequencies+Ultrasonics+Visible/Ultraviolet Light
+Energy+Cellular Growth Medium
200-‐µm thick parylene chiral mimume
A. Lakhtakia
![Page 46: Lakhtakia 15 3Slides - e-fermat.org · Mimumes by Akhlesh Lakhtakia Pennsylvania State University Department of Engineering Science and Mechanics EE500GraduateColloquium DepartmentofElectricalEngineering](https://reader035.vdocument.in/reader035/viewer/2022070802/5f02bec67e708231d405cd0c/html5/thumbnails/46.jpg)
Mimumes for Terahertz Frequencies+Ultrasonics+Visible/Ultraviolet Light
+Energy+Cellular Growth Medium
Simultaneous Ultrasonic Biomedical Terahertz Light Energy
A. Lakhtakia
![Page 47: Lakhtakia 15 3Slides - e-fermat.org · Mimumes by Akhlesh Lakhtakia Pennsylvania State University Department of Engineering Science and Mechanics EE500GraduateColloquium DepartmentofElectricalEngineering](https://reader035.vdocument.in/reader035/viewer/2022070802/5f02bec67e708231d405cd0c/html5/thumbnails/47.jpg)
A. Lakhtakia