Optics in Production - High Tech meets traditional profession

Transcription

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Jos. Schneider Optische Werke GmbH, Copyright 2014
SCHNEIDER KREUZNACH
Optics in Production - High Tech meets traditional profession
May 2014
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Jörg Blätz
Key Account Manager
Industrialoptics
Fon: +49 671 601 387
Fax: +49 671 601 81 387
E-mail: [email protected]
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Topics
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Schneider Kreuznach – 100 Years of experience
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Comparison between Film and digital sensors
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Influence caused by optical filters
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Application examples for industrial optics
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Advantages of Schneider Kreuznach
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Schneider Kreuznach – 100 Years of exerience
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Business Units
Schneider-Group
Photo Imaging
Entertainment Imaging
Industrial Solutions
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As it began - 1913
Founded 1913 by Josef Schneider
Development and manufacturing of world-known lens systems as Symmar, Xenar,
Cinelux
Pioneer of zoom technology for photo and movie cameras as well as cinema
projection
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Historical Product Highlights
• Design of the first
wide angle lens
• ANGULON (1920)
• Compact, robust, reliable
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First Use of Computers in the Optical Design
• The Zuse-Computer
(Zuse Z 22) for the
lens design started in
1956
• Fast calculation
thanks to newest
technology – then
and now
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NASA
Lunar Orbiter 1966
First picture of the Earth from the moon
(1966), taken with Schneider Kreuznach
XENOTAR lens
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Comparison between Film and digital Sensors
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Examples for Film- and Grain Sizes
Kodak T-MAX 3200 ISO
RMS grain size:
18
Film diagonal:
43.5mm
Resolution:
28lp/mm
Kodak T-MAX 400 ISO
RMS grain size:
11
Film diagonal:
43.5mm
Resolution:
45lp/mm
film size
Kodak T-MAX 100 ISO
RMS grain size :
8
Film diagonal:
43.5mm
Resolution:
62.5lp/mm
Grain characteristics:
• No Moiree effects because of non
uniform grain structure
• All chemical characteristics are not
part of the calculation, only
physical properties
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Tele-Xenar 3,8/75 for Negativ film
Head of Datasheet
(20 - 40 - 60 lp/mm
Diagonal 43.2mm)
Working distance ~ 8m
F-Stops = 3.8 - 5.6 - 8.0
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Examples for Megapixel sensors
Truesense KAI 29050 (29 Mpix)
Pixel:
6576 x 4384
Pixel size:
5.5µ x 5.5µ
Sensor diagonal:
43.5mm
Nyquist-Frequency: 91lp/mm
2/3 of Nyquist:
61lp/mm
Sony ICX 625 (5 Mpix)
Pixel:
2456 * 2058
Pixel size:
3.45µ x 3.45µ
Sensor diagonal:
11,0mm
2/3 of Nyquist:
97lp/mm
sensor size
Truesense KAI 8050 (8 Mpix)
Pixel:
3296 x 2472
Pixel size:
5.5µ x 5.5µ
Sensor diagonal:
22,7mm
2/3 of Nyquist:
61lp/mm
Aptina MT9J003 (10 Mpix)
Pixel:
3856 x 2764
Pixel size:
1,67µ x 1,67µ
Sensor diagonal:
7,9mm
Nyquist-Frequency: 299 lp/mm
2/3 of Nyquist:
200lp/mm
sensor
size
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Xenon-EMERALD 2,8/100 S
Head of Datasheet
(20 - 40 - 60 lp/mm
Diagonal 43.2mm)
Nyquist-Border
Working distance ~ 1m
F-Stops = 2.8 - 4.0 - 5.6
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Surface error <
lambda/20
Surface error = 1
lambda
Surface error = 5
lambda
Perfect Interferogram, no
negative influence
Still uniform, small
quality impact
Irregular interferogram,
strong wave front
deformation
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Good Filter
Lens combined with filter with
surface quality better than
lambda/20 wave front deformation
 Image quality is only
determined by the lens
Consumer Filter
Filter with 1 lambda wave front
deformation
 Worse contrast, edges are not
sharp anymore
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Good Filter
Lens combined with filter with
surface quality better than
lambda/20 wave front deformation
 Image quality is only
determined by the lens
Bad Filter
Filter with 1.5 lambda wave front
deformation
Collapse of MTF curves
dramatic Quality loss
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Application examples for industrial optics
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Schneider Kreuznach Industrial Optics
Qualified for different applications
• 2D/3D-Measurement
• Robotics
• ITS
• Glass and electronics inspection
• Print inspection
• Logistics
• ...
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Applications for industrial filters
•
•
•
•
•
•
•
•
Bandpassfilters: Medical, 3D-Measurement, ITS
Short- & Longpassfilters: Process control, Food and Packaging
Blocking filters: Measurement Devices, Detectors
Neutral Density: Laser applications, Welding
Color filters: Inspection Systems, color separation
Polarization filters: Degradation of Reflections, Material tension measurement
Optical Windows: Protection glasses, Cover glasses
Sensor Cover glasses: Cameras, Vision-Sensors
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Advantages of Schneider Kreuznach
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State of the art optics production
Coating of optical elements
Optical filters
• Long-, Short- and Band passes with steep edges
• Excellent blocking (Transmission < 1%)
• High surface quality of ʎ/4
• Big choice of filter types and sizes
Lens elements
• Anti Reflection coating with less than 0.5% reflex per surface
 less stray light  no ghost images
 more light by higher transmission
 better contrast without false light
• Different spectral ranges
• Standard lenses coated between 400 – 1000nm
• Special coatings: Band pass on lens elements, ...
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Cylinders, Aspheres and single elements
New possibilities by using high precision aspherical elements
 Smaller overall size
 Lighter lenses
Cylindrical / toric lenses for special applications
 Taking lenses
 Laser beam expanders
Tactile surface measurement and automated correction of
surface errors
In-line interferometric check of all lenses in production
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CNC-driven mechanical production
• Five axis turning-milling centers for high precision mechanical components
• In-line tactile surface measurement
• High precision manufacturing:
– Cylindrically < 3µm on a part length of 200mm
 very good centering
– Plane parallelism of 1µm and smaller
 high accuracy for lens positioning
– Circularity < 3µm for perfect fitting
 small tolerances, very good centering
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Centering of optical elements
CNC-driven centering of optical components, created in
collaboration with the Fraunhofer Institute for Optics and Precision
Engineering (IOF)
 Precise adjustment of the optical assemblies (< 1µ)
 High stability due to robust design
 Very narrow form and position tolerances
 real resolution up to 300 lp/mm over the entire sensor
(e.g. 62,4 mm)
In-house measuring equipment
construction to verify the high quality
 Centering Measurement
 Optical Cementing Station
 MTF Test System
 ...
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The Brand Schneider-Kreuznach
- Synonym for highest technical
performance
• Exclusively certified optics supplier for NASA
• 7 Technical Achievement Awards (Oscars), awarded
by Academy of Motion Picture Arts and Sciences
• Supplier of high precision components for Formula 1
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Schneider Kreuznach Industrial Optics
•
•
•
•
High resolution optics for CCD- and CMOS-Sensors
Locking mechanism for iris and focus setting
Precise focusing via fine thread or helical mount
Corrected and coated for the use between 400-1000nm wavelength
• High shock and vibration resistance
• 100% Quality Control for homogenous imaging performance
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Industrial Optics at Schneider Kreuznach
Lenses
Industrial filters
C- Mount compact
Longpass
Antishading 1.3“
Shortpass
Xenon-RUBY 1/1.8“
Bandpass
Fast Lenses
Neutral Density filters
Lenses for large Sensors
Polarisation filters
Telecentric lenses
Color filters
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Thank your for attention!
Visit us at our booth, we are happy to
give you further information
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Locations
Bad Kreuznach, Dresden, Göttingen, Munich, Hongkong,
Los Angeles, New York, Shenzhen

Optics in Production - High Tech meets traditional profession

Transcription

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