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2019

WS2 and MoS2 thin film gas sensors with high response to NH3 in air at low temperature

Järvinen, T., Lorite, G. S., Peräntie, J., Toth, G., Saarakkala, S., Virtanen, V. K. & Kordas, K., 18 Jul 2019, In : Nanotechnology. 30, 40, 9 p., 405501.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Chemical sensors
Transition metals
Metals
Thin films
Gas adsorption
2018
2 Citations (Scopus)

High photoresponse of individual WS2 nanowire-nanoflake hybrid materials

Asres, G. A., Järvinen, T., Lorite, G. S., Mohl, M., Pitkänen, O., Dombovari, A., Tóth, G., Spetz, A. L., Vajtai, R., Ajayan, P. M., Lei, S., Talapatra, S. & Kordas, K., 4 Jun 2018, In : Applied Physics Letters. 112, 23, 233103.

Research output: Contribution to journalArticleScientificpeer-review

nanowires
chalcogenides
visible spectrum
electrical measurement
molybdenum
10 Citations (Scopus)

Roll-to-roll fabrication of integrated PDMS–paper microfluidics for nucleic acid amplification

Hiltunen, J., Liedert, C., Hiltunen, M., Huttunen, O-H., Hiitola-Keinänen, J., Aikio, S., Harjanne, M., Kurkinen, M., Hakalahti, L. & Lee, L. P., 2018, In : Lab on a Chip. 18, 11, p. 1552-1559 8 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Microfluidics
Molecular Pathology
Nucleic acids
Lab-On-A-Chip Devices
Nucleic Acids

Spectroscopic studies of a ring opening process between epoxy- and aminosilanes and imine formation reactions in aqueous solutions

Keränen, M., Maaninen, A., Gnyba, M. & Maaninen, T., 1 Sep 2018, In : Journal of Sol-Gel Science and Technology. 87, 3, p. 725-733 9 p.

Research output: Contribution to journalArticleScientificpeer-review

Imines
imines
aqueous solutions
Silanes
Water
2017
2 Citations (Scopus)

Spectroscopic thermometry for long-distance surveying

Tomberg, T., Fordell, T., Jokela, J., Merimaa, M. & Hieta, T., 10 Jan 2017, In : Applied Optics. 56, 2, p. 239-246 8 p.

Research output: Contribution to journalArticleScientificpeer-review

Thermometers
Surveying
temperature measurement
thermometers
Temperature measurement
2015

Interference cancellation for hollow-core fiber reference cells

Seppä, J., Merimaa, M., Manninen, A., Triches, M., Hald, J. & Lassila, A., 2015, In : IEEE Transactions on Instrumentation and Measurement. 64, 6, p. 1595-1599

Research output: Contribution to journalArticleScientificpeer-review

cancellation
hollow
interference
fibers
Fibers
2014
2 Citations (Scopus)

Directional and cooperative spectrum occupancy measurements in the 2.4 GHz ISM band

Matinmikko, M., Mustonen, M., Höyhtyä, M., Rauma, T., Sarvanko, H. & Mämmelä, A., 2014, In : International Journal of Autonomous and Adaptive Communications Systems. 7, 4, p. 339-357 18 p.

Research output: Contribution to journalArticleScientificpeer-review

Antennas
Radio systems
Cognitive radio
Fusion reactions

Frequency-comb-referenced tunable diode laser spectroscopy and laser stabilization applied to laser cooling

Fordell, T., Wallin, A. E., Lindvall, T., Vainio, M. & Merimaa, M., 2014, In : Applied Optics. 53, 31, p. 7476-7482

Research output: Contribution to journalArticleScientificpeer-review

Laser cooling
laser cooling
Laser spectroscopy
laser spectroscopy
Light sources
2013
16 Citations (Scopus)

Fuzzy-logic based framework for spectrum availability assessment in cognitive radio systems

Matinmikko, M., Del Ser, J., Rauma, T. & Mustonen, M., 2013, In : IEEE Journal on Selected Areas in Communications. 31, 11, p. 2173-2184 13 p.

Research output: Contribution to journalArticleScientificpeer-review

Radio systems
Cognitive radio
Fuzzy logic
Decision making
Availability
39 Citations (Scopus)

Predictable quantum efficient detector: I. Photodiodes and predicted responsivity

Sildoja, M., Manoocheri, F., Merimaa, M., Ikonen, E., Müller, I., Werner, L., Gran, J., Kübarsepp, T., Smîd, M. & Rastello, M. L., 2013, In : Metrologia. 50, 4, p. 385 - 394

Research output: Contribution to journalArticleScientificpeer-review

Photodiodes
Detectors
Wavelength
Charge carriers
Silicon
24 Citations (Scopus)

Roll-to-Roll manufacturing of printed OLEDs

Hast, J., Tuomikoski, M., Suhonen, R., Väisänen, K-L., Välimäki, M., Maaninen, T., Apilo, P., Alastalo, A. & Maaninen, A., 2013, In : SID International Symposium: Digest of Technical Papers. 44, 1, p. 192-195 3 p.

Research output: Contribution to journalArticleScientificpeer-review

Organic light emitting diodes (OLED)
Lighting
Display devices
Printing
Electronic equipment
6 Citations (Scopus)

Unpolarized, incoherent repumping light for prevention of dark states in a trapped and laser-cooled single ion

Lindvall, T., Fordell, T., Tittonen, I. & Merimaa, M., 2013, In : Physical Review A: Atomic, Molecular, and Optical Physics. 87, 1, 013439.

Research output: Contribution to journalArticleScientificpeer-review

spontaneous emission
lasers
ions
polarization modulation
laser modes
2012
10 Citations (Scopus)

Degenerate 1 GHz repetition rate femtosecond optical parametric oscillator

Vainio, M., Merimaa, M., Halonen, L. & Vodopyanov, K., 2012, In : Optics Letters. 37, 21, p. 4561-4563

Research output: Contribution to journalArticleScientificpeer-review

parametric amplifiers
repetition
sapphire
output
lasers
43 Citations (Scopus)

Disposable roll-to-roll hot embossed electrophoresis chip for detection of antibiotic resistance gene mecA in bacteria

Liedert, R., Amundsen, L., Hokkanen, A., Mäki, M., Aittakorpi, A., Pakanen, M., Schrerer, J. R., Mathies, R. A., Kurkinen, M., Uusitalo, S., Hakalahti, L., Nevanen, T., Siitari, H. & Söderlund, H., 2012, In : Lab on a Chip. 12, 2, p. 333-339 7 p.

Research output: Contribution to journalArticleScientificpeer-review

Microfluidics
Antibiotics
Lab-On-A-Chip Devices
Microbial Drug Resistance
Electrophoresis
7 Citations (Scopus)

Effective humidity in length measurements: Comparison of three approaches

Pollinger, F., Hieta, T., Vainio, M., Doloca, N. R., Abou-Zeid, A., Meiners-Hagen, K. & Merimaa, M., 2012, In : Measurement Science and Technology. 23, 2, 11 p., 025503.

Research output: Contribution to journalArticleScientificpeer-review

Humidity
humidity
Atmospheric humidity
Laser
Light velocity
2011
15 Citations (Scopus)

A method for linearization of a laser interferometer down to the picometre level with a capacitive sensor

Seppä, J., Korpelainen, V., Merimaa, M., Picotto, G. B. & Lassila, A., 2011, In : Measurement Science and Technology. 22, 9, 7 p., 094027.

Research output: Contribution to journalArticleScientificpeer-review

Capacitive sensors
Laser Interferometer
linearization
Linearization
Interferometers
31 Citations (Scopus)

Frequency-comb-referenced molecular spectroscopy in the mid-infrared region

Vainio, M., Merimaa, M. & Halonen, L., 2011, In : Optics Letters. 36, 21, p. 4122-4124

Research output: Contribution to journalArticleScientificpeer-review

molecular spectroscopy
frequency measurement
parametric amplifiers
pumps
spectroscopy
110 Citations (Scopus)

Gravure printed flexible organic photovoltaic modules

Kopola, P., Aernouts, T., Sliz, R., Guillerez, S., Ylikunnari, M., Cheyns, D., Välimäki, M., Tuomikoski, M., Hast, J., Jabbour, G., Myllylä, R. & Maaninen, A., 2011, In : Solar Energy Materials and Solar Cells. 95, 5, p. 1344-1347 4 p.

Research output: Contribution to journalArticleScientificpeer-review

Printing
Solar cells
Butyric acid
Butyric Acid
Ointments
15 Citations (Scopus)

High-precision diode-laser-based temperature measurement for air refractive index compensation

Hieta, T., Merimaa, M., Vainio, M., Seppä, J. & Lassila, A., 2011, In : Applied Optics. 50, 31, p. 5990 - 5998

Research output: Contribution to journalArticleScientificpeer-review

Temperature measurement
temperature measurement
Semiconductor lasers
Refractive index
semiconductor lasers

Renewal through co-creation in business networks

Hyötyläinen, R., Valkokari, K. & Kalliokoski, P., 2011, In : Open Source Business Resource (OSBR). 2011, March, p. 29-37 9 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Co-creation
Renewal
Business networks
Network governance
Theoretical framework
2010

Biosensing with low-index waveguides: An experimental study of a polymer-based young interferometer sensor

Uusitalo, S., Känsäkoski, M., Kärkkäinen, A., Hannu-Kuure, M., Aikio, S. & Kopola, H., 2010, In : Micro and Nanosystems. 2, 2, p. 65-69 5 p.

Research output: Contribution to journalArticleScientificpeer-review

Interferometers
Refractive index
Waveguides
Sensors
Polymers
99 Citations (Scopus)

High efficient plastic solar cells fabricated with a high-throughput gravure printing method

Kopola, P., Aernouts, T., Guillerez, S., Jin, H., Tuomikoski, M., Maaninen, A. & Hast, J., 2010, In : Solar Energy Materials and Solar Cells. 94, 10, p. 1673-1680 8 p.

Research output: Contribution to journalArticleScientificpeer-review

Printing
Solar cells
Printing plates
Throughput
Plastics
4 Citations (Scopus)

Practical application of a parallel research-business innovation process to accelerate the deployment of research results

Koppinen, S., Lammasniemi, J. & Kalliokoski, P., 2010, In : R&D Management. 40, 1, p. 101-106 6 p.

Research output: Contribution to journalArticleScientificpeer-review

Innovation
Industry
Business innovation
Innovation process
Research organization
10 Citations (Scopus)

Spectroscopic measurement of air temperature

Hieta, T. & Merimaa, M., 2010, In : International Journal of Thermophysics. 31, 8-9, p. 1710-1718 9 p.

Research output: Contribution to journalArticleScientificpeer-review

air
temperature measurement
temperature
oxygen
refractivity
19 Citations (Scopus)

Thickness dependence and solution-degradation effect in poly(3-hexylthiophene):phenyl-C61-butyric acid methyl ester based solar cells

Jin, H., Olkkonen, J., Tuomikoski, M., Kopola, P., Maaninen, A. & Hast, J., 2010, In : Solar Energy Materials and Solar Cells. 94, 3, p. 465-470 6 p.

Research output: Contribution to journalArticleScientificpeer-review

Butyric acid
Butyric Acid
Solar cells
Esters
Degradation
2009
40 Citations (Scopus)

Application of fuzzy logic to cognitive radio systems

Matinmikko, M., Rauma, T., Mustonen, M., Harjula, I., Sarvanko, H. & Mämmelä, A., 2009, In : IEICE Transactions on Communications. E92.B, 12, p. 3572-3580 9 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Radio systems
Cognitive radio
Fuzzy logic
Telecommunication
Decision making
18 Citations (Scopus)

Effect of molecular aggregation by thermal treatment on photovoltaic properties of MEH-PPV: Fullerene-based solar cells

Jin, H., Hou, Y., Teng, F., Kopola, P., Tuomikoski, M. & Maaninen, A., 2009, In : Solar Energy Materials and Solar Cells. 93, 2, p. 289-294 6 p.

Research output: Contribution to journalArticleScientificpeer-review

Fullerenes
Solar cells
Agglomeration
Heat treatment
Photoluminescence
12 Citations (Scopus)

Fiber-based acetylene-stabilized laser

Ahtee, V., Merimaa, M. & Nyholm, K., 2009, In : IEEE Transactions on Instrumentation and Measurement. 58, 4, p. 1211-1216 6 p.

Research output: Contribution to journalArticleScientificpeer-review

Acetylene
acetylene
fibers
Fibers
Lasers
84 Citations (Scopus)

Gravure printed organic light emitting diodes for lighting applications

Kopola, P., Tuomikoski, M., Suhonen, R. & Maaninen, A., 2009, In : Thin Solid Films. 517, 19, p. 5757-5762 6 p.

Research output: Contribution to journalArticleScientificpeer-review

Organic light emitting diodes (OLED)
illuminating
light emitting diodes
Lighting
printing
14 Citations (Scopus)

Micro roll-to-roll patterning process and its application on flexible display

Lo, C-Y., Hiitola-Keinänen, J., Huttunen, O-H., Petäjä, J., Hast, J., Maaninen, A. & Kopola, H., 2009, In : Japanese Journal of Applied Physics. 48, 6 Part 2

Research output: Contribution to journalArticleScientificpeer-review

Flexible displays
printing
Display devices
Printing
embossing
32 Citations (Scopus)

Novel roll-to-roll lift-off patterned active-matrix display on flexible polymer substrate

Lo, C-Y., Hiitola-Keinänen, J., Huttunen, O-H., Petäjä, J., Hast, J., Maaninen, A., Kopola, H., Fujita, H. & Toshiyoshi, H., 2009, In : Microelectronic Engineering. 86, 4-6, p. 979-983 5 p.

Research output: Contribution to journalArticleScientificpeer-review

Polymers
Display devices
printing
Printing
polymers
13 Citations (Scopus)

Precision spectroscopy of acetylene transitions using an optical frequency synthesizer

Ahtee, V., Merimaa, M. & Nyholm, K., 2009, In : Optics Letters. 34, 17, p. 2619-2621 3 p.

Research output: Contribution to journalArticleScientificpeer-review

frequency synthesizers
acetylene
spectroscopy
semiconductor lasers
cavities
12 Citations (Scopus)

Single-frequency synthesis at telecommunication wavelengths

Ahtee, V., Merimaa, M. & Nyholm, K., 16 Mar 2009, In : Optics Express. 17, 6, p. 4890-4896 7 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
telecommunication
synthesis
sweep frequency
wavelengths
semiconductor lasers
2007
2 Citations (Scopus)

Printed intelligence and applications in sensing

Känsäkoski, M. & Maaninen, A., 2007, In : Measurement and Control. 40, 3, p. 84-87

Research output: Contribution to journalArticleScientificpeer-review

15 Citations (Scopus)

Traceability of laser Frequency Calibrations at MIKES

Merimaa, M., Nyholm, K., Vainio, M. & Lassila, A., 2007, In : IEEE Transactions on Instrumentation and Measurement. 56, 2, p. 500-504

Research output: Contribution to journalArticleScientificpeer-review

Calibration
Lasers
Atomic clocks
atomic clocks
lasers
2006
6 Citations (Scopus)

Guest editorial for the special section on distributed software development

Komi-Sirviö, S., Abrahamsson, P. & Huomo, T., 2006, In : Information and Software Technology. 48, 9, p. 765-766

Research output: Contribution to journalArticleScientificpeer-review

6 Citations (Scopus)

Modulation transfer characteristics of injection-locked diode lasers

Vainio, M., Merimaa, M. & Nyholm, K., 2006, In : Optics Communications. 267, 2, p. 455-463 9 p.

Research output: Contribution to journalArticleScientificpeer-review

Semiconductor lasers
semiconductor lasers
Modulation
injection
modulation
2005
7 Citations (Scopus)

Iodine spectrometer based on a 633 nm transmission-grating diode laser

Vainio, M., Merimaa, M. & Ikonen, E., 2005, In : Measurement Science and Technology. 16, 6, p. 1305-1311

Research output: Contribution to journalArticleScientificpeer-review

Diode Laser
Diffraction gratings
Iodine
Spectrometer
Gratings
8 Citations (Scopus)

Optical amplifier for femtosecond frequency comb measurements near 633 nm

Vainio, M., Merimaa, M. & Nyholm, K., 2005, In : Applied Physics B: Lasers and Optics. 81, 8, p. 1053-1057 5 p.

Research output: Contribution to journalArticleScientificpeer-review

frequency measurement
light amplifiers
lasers
high power lasers
iodine
10 Citations (Scopus)

Raman system for on-line monitoring and optimisation of hybrid polymer gelation

Gnyba, M., Keränen, M., Maaninen, A., Suhonen, J., Jedrzejewska-Szczerska, M., Kosmowski, B. & Wierzba, P., 2005, In : Opto-electronics Review. 13, 1, p. 9 - 17 9 p.

Research output: Contribution to journalArticleScientificpeer-review

gelation
Gelation
optimization
hydrolysis
Monitoring
2004
1 Citation (Scopus)

Effect of the H2 annealing on the electrical properties of In2O3-SnO2 thin films

Kololuoma, T., Johansson, L-S., Maaninen, A., Campbell, J. M. & Rantala, J. T., 2004, In : Journal of Sol-Gel Science and Technology. 32, 1-3, p. 179 - 183 5 p.

Research output: Contribution to journalArticleScientificpeer-review

Electric properties
electrical properties
Annealing
Thin films
Coatings

RF-piirejä LTCC-alustalle

Lahti, M., Kopola, H., Volotinen, J., Kangasvieri, T. & Vähäkangas, J., 2004, In : Prosessori. 66.

Research output: Contribution to journalArticleProfessional

11 Citations (Scopus)

Synthesis and characterization of optical sol–gel adhesive for military protective polycarbonate resin

Keränen, M., Gnyba, M., Raerinne, P., Kololuoma, T., Maaninen, A. & Rantala, J., 2004, In : Journal of Sol-Gel Science and Technology. 31, 1-3, p. 369 - 372 4 p.

Research output: Contribution to journalArticleScientificpeer-review

polycarbonate
polycarbonates
Polycarbonates
resins
adhesives
2003
46 Citations (Scopus)

Comparison of 127I2-stabilized frequency-doubled Nd:YAG lasers at the Bureau International des Poids et Mesures

Picard, S., Robertsson, L., Ma, L-S., Nyholm, K., Merimaa, M., Ahola, T. E., Balling, P., Kren, P. & Wallerand, J-P., 2003, In : Applied Optics. 42, 6, p. 1019-1028 10 p.

Research output: Contribution to journalArticleScientificpeer-review

YAG lasers
Lasers
metrology
Accreditation
Iodine
41 Citations (Scopus)

Frequency stabilization of a diode-pumped Nd:Yag laser at 532 nm to iodine by using third-harmonic technique

Nyholm, K., Merimaa, M., Ahola, T. & Lassila, A., 2003, In : IEEE Transactions on Instrumentation and Measurement. 52, 2, p. 284-287 4 p.

Research output: Contribution to journalArticleScientificpeer-review

Iodine
iodine
Diodes
Stabilization
stabilization

Optiikkaa ja elektroniikkaa painokoneella

Kololuoma, T., Mäkelä, T., Linna, H., Haring, T., Hagberg, J., Kallioinen, J., Kettunen, I. & Kopola, H., 2003, In : Prosessori. 24, 11 , 75.

Research output: Contribution to journalArticleProfessional

14 Citations (Scopus)

Results from international comparisons at the BIPM providing a world-wide reference network of 127/I/sub 2/ stabilized frequency-doubled Nd: YAG lasers

Picard, S., Robertsson, L., Ma, L-S., Millerioux, Y., Juncar, P., Wallerand, J-P., Balling, P., Kren, P., Nyholm, K., Merimaa, M., Ahola, T. E. & Hong, F-L., 2003, In : IEEE Transactions on Instrumentation and Measurement. 52, 2, p. 236-239 4 p.

Research output: Contribution to journalArticleScientificpeer-review

metrology
YAG lasers
Lasers
frequency measurement
iodine
2001
3 Citations (Scopus)

Miniaturization and module integration of an infrared spectrometer

Keränen, K., Karioja, P., Blomberg, M., Tenhunen, J., Rusanen, O. & Kopola, H., 2001, In : Optical Engineering. 40, 10, p. 2308-2314 7 p.

Research output: Contribution to journalArticleScientificpeer-review

Infrared spectrometers
infrared spectrometers
miniaturization
modules
Fabry-Perot interferometers
6 Citations (Scopus)

Portable frequency standard at 633 nm with compact external-cavity diode laser

Merimaa, M., Kokkonen, P., Nyholm, K. & Ikonen, E., 2001, In : Metrologia. 38, 4, p. 311-318 8 p.

Research output: Contribution to journalArticleScientificpeer-review

Frequency standards
Semiconductor lasers
Frequency stability
Lasers
Iodine
2000
23 Citations (Scopus)

International comparison of eight semiconductor lasers stabilized on 127I2 at λ = 633 nm

Zarka, A., Abou-Zeid, A., Chagniot, D., Chartier, J-M., Cip, O., Cliche, J., Edwards, C. S., Imkenberg, F., Jedlicka, P., Kabel, B., Lassila, A., Lazar, J., Merimaa, M., Millerioux, Y., Simonsen, H., Têtu, M. & Wallerand, J-P., 2000, In : Metrologia. 37, 4, p. 329-339 11 p.

Research output: Contribution to journalArticleScientificpeer-review

Semiconductor lasers
Frequency stability
Iodine
Lasers
Laser resonators