Applications of Micro Electro Mechanical Systems (MEMS) Jobin Philip.
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Transcript of Applications of Micro Electro Mechanical Systems (MEMS) Jobin Philip.
![Page 1: Applications of Micro Electro Mechanical Systems (MEMS) Jobin Philip.](https://reader036.fdocuments.us/reader036/viewer/2022062413/5a4d1b867f8b9ab0599bc99a/html5/thumbnails/1.jpg)
Applications of Applications of Micro Electro Mechanical SystemsMicro Electro Mechanical Systems
(MEMS)(MEMS)
Jobin Philip
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Introduction
IC invention
Large number of transistors on single silicon chip
Interconnected to functional circuits
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Micro-fabricated Membrane Mirrors
12 mm in diameter
Less than 1um in thickness
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Micro-fabricated Membrane Mirrors
Optical Switching
High optical efficiency
Good potential for aberrations correction
Coupling efficiency of 3000 interconnections
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Micro-fabricated Membrane Mirrors
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Two Axis Micro-mirror
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Micro-Mirror
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Micro-Mirror
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Optical Switch
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2x2 Optical Switch
Cross State
Bar State
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Optical Switch
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NxN Optical Link
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Agilent Bubble Switch
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Segmented Mirrors
Space Optical Telecommunication Reliable, Small in size, Light in weight, & Easy to
fabricate
Air Turbulence causes optical aberrations
Quick response time, therefore able correct optical aberrations
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Segmented Micro-Mirrors
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Segmented Micro-Mirrors
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Grating Light Valve (GLV)Incident Reflected
Oth Mode
Ribbons
Silicon Light Machines: http://www.siliconlight.com
Incident DiffractedDiffracted
+1st Mode
+3rd Mode
Down ribbons
Up ribbons
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GLV Projection System Digital Projection System using Grating Light
Valve If pixel is “off”, light is reflected straight off GVL into
the absorbing screen If pixel is “on”, light is diffracted at an angle,
propagating through the lens to the focal plane
GLV
Color Wheel
Lens
Focal Plane
Prism
Screen
Optical Input
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Next Generation Projectors
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Question…???
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Optical Switch