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Dr. Joseph  Muna Karanja
Dr. Joseph Muna Karanja
Lecturer of Physics, Kirinyaga University
Verified email at kyu.ac.ke
Title
Cited by
Cited by
Year
A low frequency FBG accelerometer with symmetrical bended spring plates
F Liu, Y Dai, JM Karanja, M Yang
Sensors 17 (1), 206, 2017
452017
Medium-high frequency FBG accelerometer with integrative matrix structure
Y Dai, G Yin, B Liu, G Xu, JM Karanja
Applied optics 54 (11), 3115-3121, 2015
422015
FBG hydrogen sensor based on spiral microstructure ablated by femtosecond laser
X Zhou, Y Dai, M Zou, JM Karanja, M Yang
Sensors and Actuators B: Chemical 236, 392-398, 2016
362016
Micro-structured femtosecond laser assisted FBG hydrogen sensor
JM Karanja, Y Dai, X Zhou, B Liu, M Yang
Optics express 23 (24), 31034-31042, 2015
292015
Microstructured FBG hydrogen sensor based on Pt-loaded WO3
X Zhou, Y Dai, JM Karanja, F Liu, M Yang
Optics Express 25 (8), 8777-8786, 2017
282017
Optimization design for medium-high frequency FBG accelerometer with different eigenfrequency and sensitivity
GL Yin, YT Dai, JM Karanja, JX Dai
Sensors and Actuators A: Physical 235, 311-316, 2015
252015
Fabricating phase-shifted fiber Bragg grating by simple postprocessing using femtosecond laser
X Zhou, Y Dai, JM Karanja, F Liu, M Yang
Optical Engineering 56 (2), 027108-027108, 2017
162017
Femtosecond laser ablated FBG multitrenches for magnetic field sensor application
JM Karanja, Y Dai, X Zhou, B Liu, M Yang, J Dai
IEEE Photonics Technology Letters 27 (16), 1717-1720, 2015
142015
FBG Hydrogen Sensor Based on Pd87–Ni13/Pd4–Ag1 Thin Film and Femtosecond Laser Ablation
X Zhou, JM Karanja, M Yang, F Zhou, K Liu, X Ming, Y Dai
Integrated Ferroelectrics 221 (1), 1-11, 2021
42021
Phase change memory based on SnSe4 alloy
JM Karanja, PM Karimi, WK Njoroge, DM Wamwangi
Thin solid films 527, 323-326, 2013
32013
Novel FBG sensors based on cladding surface microstructures
YT Dai, M Yang, JM Karanja, Q Zhao
23rd International Conference on Optical Fibre Sensors 9157, 65-68, 2014
12014
Highly sensitive micro-structured Fiber Bragg Grating-based temperature sensor enhanced by Electroplated Cu-Ni layer
JM Karanja
Global scientific journal 11 (10), 1033-1041, 2023
2023
Preparation, Synthesis and Optical characterization of Vacuum evaporated SnxSey alloys thin films
JM Karanja
Global scientific journal 11 (10), 1087-1095, 2023
2023
An Ultra-Low FBG Hydrogen Sensor Based On Laser Ablation Micro-Trenches And Pt-WO3
JM Karanja
Global scientific journal 11 (8), 2681-2687, 2023
2023
Research on Ultrasonic Vibration Aided Femtosecond Laser Machining Process of Transparent Materials.
JM Karanja, X Zhou, Y Dai
6th Annual International Conference-2023, Kirinyaga University, Virtual, 2023
2023
Π Phase-Shift Fabrication of Fiber Bragg Grating by Post-Processing Using Femtosecond Laser.
JM Karanja, X Zhou, Y Dai
2023
Spiral Micro-Structured FBG Hydrogen Sensor based on Pd87-Ni13/Pd4-Ag1 Thin Film and Femtosecond Laser Ablation
JM Karanja, M Yang, XZ Ming, K Liu, F Zhou, Y Dai
5th KyU International Conference, 2022
2022
Femtosecond laser inscription of phase-shifted grating by post-processing
X Zhou, Y Dai, F Liu, JM Karanja, M Zou
2017 25th Optical Fiber Sensors Conference (OFS), 1-4, 2017
2017
Research on ultrasonic vibration aided femtosecond laser machining process of transparent materials
Y Dai, B Liu, G Yin, T Li, JM Karanja
International Symposium on Photonics and Optoelectronics 2015 9656, 24-29, 2015
2015
Multi-curvities femtosecond laser aided microstructures for magnetic field sensing
JM Karanja, Y Dai, X Zhou, B Liu
International Symposium on Photonics and Optoelectronics 2015 9656, 107-111, 2015
2015
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Articles 1–20