Research output per year
Research output per year
Personal profile
Short bio
Experience
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Company VTT Technical Researh Centre of Finland
Total Duration15 yrs 5 mos
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Title: Research Scientist, optics design, optical instruments
Dates EmployedJan 2006 – Present
Employment Duration15 yrs 5 mos
LocationOulu, Finland
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Camera lenses up to several megapixel resolutions
Color corrected objectives from Visual to NIR wavelengths
Imaging optics from mobile phone cameras to very powerful F:number lenses
Wide angle, add-on and Zoom lens systems
Medical imaging optics ( ophthalmoscopy, ear and dermatoscopy )
Astronomical optics
CCTV lenses with prism
Hyperspectral imaging optics (based on tunable fabry-perot
and also new cheap and good light transmission multispectral imaging technology innovation based on lenses and grating... ;-)…see mor
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Senior Research Engineer
Company Name
Nokia Mobile Phones
Dates EmployedNov 1997 – Dec 2005
Employment Duration 8 yrs 2 mos
Software development
Imaging application User Interface research and development
Camera optics research
Mobile phone camera lens research, design, development and verification
Some history in Nokia Mobile Phones teams:
• Research & Technology Access Nokia Mobile Phones Oulu Finland;
• UIG ( user Interface group )
• Technology platforms (camera modules)
• Camera entity…see moreEucation
about 16 Patents
- Optical method and system for light field displays based on distributed apertures WO2020247763A1
- OPTICAL METHOD AND SYSTEM FOR DISPLAYS BASED ON BEAMS WITH EXTENDED DEPTH OF FOCUS WO2020185414A1
- MULTIFOCAL OPTICS FOR LIGHT FIELD DISPLAYS WO2019164745 (A1)
- Optical method and system for light field displays based on mosaic periodic layer
us WO2020046716A1 - Stereo imaging apparatus WO FI FI128501B
- Compact catadioptric optical system for mobile phones cn WO2021028028A1
- 3D display directional backlight based on diffractive elements us WO2019221993A1
- Method and system for aperture expansion in light field displays us WO2019089283A1
- Light field image engine method and apparatus for generating projected 3d light fields - us WO2019089283A1
- Systems and methods for 3d displays with flexible optical layers us WO 2018/200417 Al
- Method and apparatus for measuring the height of a surface fi US20180252516A1
- Hydraulic optical focusing-stabilizer us US7627236 B2
- Focusing method for a camera and a camera us US2003002867 (A1)
- Imaging spectrograph, Kuvantava spektrografi fi WO2017042435A1, FI20155642 (A)
- Zoom camera arrangement comprising multiple sub-cameras us US2009295949
- Imaging device US 7,453,510
Skills and expertise
- zemax
- opticstudio
- optical design
- Innovation
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Research output
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3D Display directional backlight based on diffractive elements
Mäkinen, J-T. & Ojala, K., 21 Nov 2019, Patent No. WO2019221993 A1, 8 May 2019, Priority date 17 May 2018Research output: Patent › Patent application
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Light field image engine method and apparatus for generating projected 3D light fields
Mäkinen, J-T. & Ojala, K., 28 Feb 2019, Patent No. WO2019040484 A1, 21 Aug 2018Research output: Patent › Patent application
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Method and system for aperture expansion in light field displays
Ojala, K. & Mäkinen, J-T., 9 May 2019, IPC No. G02B 27/00 , G02B 27/22 , H04N 13/305 , H04N 13/363 , Patent No. WO2019089283 A1, 23 Oct 2018, Priority date 2 Nov 2017, Priority No. 62/580,797Research output: Patent › Patent application
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Multifocal optics for light field displays
Ojala, K. & Mäkinen, J-T., 29 Aug 2019, IPC No. H04N 13/307 , G02B 27/22, G02B 27/00 , G02B 27/01 , Patent No. WO2019164745 A1, 14 Feb 2019, Priority date 20 Feb 2018, Priority No. 62/633,047Research output: Patent › Patent application
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Method and apparatus for measuring the height of a surface
Ojala, K., 6 Sep 2018, IPC No. G01B 11/24, G01B11/06, G02B13/22, G02B27/42, Patent No. US2018252516 A, 6 Sep 2018, Priority date 22 Sep 2015, Priority No. FI20150005675 20150922Research output: Patent › Patent application