nrc-london (micro-optics) 2016-17
TRANSCRIPT
NRC-AST-London Capabilities on microfabrication of micro-optical structures by Evgueni Bordatchev NRC-AST-London [email protected]
January 2017
Evgueni Bordatchev, NRC-AST-London, January 2017
Dies for microfabrication of typical micro-optical structures
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1.1 mm dia 0.25mm depth
Ra=11nm
2 mm
Evgueni Bordatchev, NRC-AST-London, January 2017
Micro-Lens Array
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a) insert b) Hot embossed replica in PMMA
c) geometry d) surface quality
Evgueni Bordatchev, NRC-AST-London, January 2017
Uniformly distributed illumination (light curtain concept)
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16mm x 16 mm x 6 mm light guide from PMMA
LEDs LEDs LEDs LEDs clear
sample rectangular
array hexagonal
array customised
array
Evgueni Bordatchev, NRC-AST-London, January 2017
Array of Nano-Lenses (40 um diam, 350 nm depth, 40 um pitch)
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Evgueni Bordatchev, NRC-AST-London, January 2017
Die for concave micro-lens array
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Ra = 50 ÷ 70 nm
Evgueni Bordatchev, NRC-AST-London, January 2017
Die with triangular V-grooves for fabrication of light guides
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Evgueni Bordatchev, NRC-AST-London, January 2017
Linear array of V-grooves (Al die) 0.5 mm step, 0.25 mm depth
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250X
91.320
253 um
498.72 um
Cutting
controlled directional reflectivity
~90 deg ~45 deg ~65 deg
Evgueni Bordatchev, NRC-AST-London, January 2017
Direct Machining of Gratings in Plastics
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Evgueni Bordatchev, NRC-AST-London, January 2017
Micro-optical structures for enhancement of PV panel performance
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10.2% Pmax: 10.7 mW/cm2 vs. 11.8 mW/cm2 10.2% improvement
of PV panel performance
Evgueni Bordatchev, NRC-AST-London, January 2017
Die with triangular V-grooves for fabrication of light guides
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30 x 30 mm
Evgueni Bordatchev, NRC-AST-London, January 2017
Square Pyramid Array (Al die) 0.5 mm step, 0.25 mm depth
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controlled directional reflectivity
~90 deg ~-45 deg ~45 deg ~65 deg
Evgueni Bordatchev, NRC-AST-London, January 2017
Planar Micro-optical Prismatic Elements (25 x 25 x 8 µm)
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Evgueni Bordatchev, NRC-AST-London, January 2017
Array of Square Pyramids Directly Machined in Plastics
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Evgueni Bordatchev, NRC-AST-London, January 2017
Array of 6-side Pyramids Directly Machined in Plastics
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Evgueni Bordatchev, NRC-AST-London, January 2017
Holographic Insert Prototype
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diffraction grating (1 µm period, 2 µm depth)
reddish greenish bluish
color changes due to the diffraction grating color separation
Evgueni Bordatchev, NRC-AST-London, January 2017
Light Scattering Film with NRC logo
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Evgueni Bordatchev, NRC-AST-London, January 2017
Holographic insert (multi-wavelength)
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Evgueni Bordatchev, NRC-AST-London, January 2017
V-groves on a 3D surface (curved)
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16 mm × 16 mm Brass
Sa ≤ 10 nm
pitch: 200 µm depth: 100 µm included angle: 90°
R 100 mm
Evgueni Bordatchev, NRC-AST-London, January 2017
V-groves on a 3D surface (curved)
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16 mm × 16 mm PMMA Sa ≤ 10 nm
R 100 mm
pitch: 200 µm depth: 100 µm included angle: 90°
Evgueni Bordatchev, NRC-AST-London, January 2017
V-groves on a 3D surface (waved)
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16 mm × 16 mm PMMA
Sa ≤ 10 nm
pitch: 200 µm depth: 100 µm included angle: 90°
R 18 mm
R 18 mm
R 18 mm
Evgueni Bordatchev, NRC-AST-London, January 2017
curved V-grooves (0.2mm) on a flat surface
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0.2 mm period
0.1 mm depth
90° included angle
optical surface quality (Ra < 10 nm)
Evgueni Bordatchev, NRC-AST-London, January 2017
curved V-grooves (1mm) on a flat surface
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1.0 mm period
0.5 mm depth
90° included angle
optical surface quality (Ra < 10 nm)
Evgueni Bordatchev, NRC-AST-London, January 2017
Straight V-groves on a waved surface
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16 mm × 16 mm Al 6061
Sa ≤ 20 nm
pitch: 1.0 mm depth: 0.5 mm included angle: 90°
R 18 mm
R 18 mm
R 18 mm
Evgueni Bordatchev, NRC-AST-London, January 2017
Optical Fiber Based Light Pipe
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1.5 mm
Evgueni Bordatchev, NRC-AST-London, January 2017
Light Pipe Insert (Brass)
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Evgueni Bordatchev, NRC-AST-London, January 2017
Retro-reflective (reflex) insert
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Evgueni Bordatchev, NRC-AST-London, January 2017
Bullseye Plasmonic Lens for THz imaging
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top
bottom
25 mm
Evgueni Bordatchev, NRC-AST-London, January 2017
Novel retro-reflective micro-optical elements
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Al insert
Transparent plastic RTPs in front of conventional ICC RRs
Evgueni Bordatchev, NRC-AST-London, January 2017
Capabilities in Micromachining, Micro-Optics and Laser Polishing/Texturing/Structuring
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Contact information: Dr. Evgueni Bordatchev NRC-AST-London Automotive and Surface Transportation 1-519-430-7107 [email protected]