Aapo Varpula

Research activity per year

Filter

2021
Absorber structure for thermal detectors
Tappura, K. (Inventor), Varpula, A. (Inventor) & Prunnila, M. (Inventor), 30 Dec 2021, IPC No. G01J 5/ 20 A I, Patent No. US11402272, Priority date 30 Oct 2019, Priority No. WO2019FI50776
Research output: Patent › Patent
2020
Thermal detector and thermal detector array
Varpula, A. (Inventor) & Guo, B. (Inventor), 8 Jul 2020, IPC No. G01J 5/ 20 A I, Patent No. EP3676584, Priority date 31 Aug 2018, Priority No. WO2018FI50619
Research output: Patent › Patent
2018
Mirror plate for a fabry-perot interferometer and a fabry-perot interferometer
Varpula, A. (Inventor), Prunnila, M. (Inventor) & Grigoras, K. (Inventor), 17 Jan 2018, IPC No. G02B 26/ 00 A I, Patent No. EP3268708, Priority date 8 Mar 2016, Priority No. WO2016FI50139
Research output: Patent › Patent
2017
Mirror plate for an optical interferometer and an optical interferometer
Varpula, A. (Inventor), Holmlund, C. (Inventor) & Rissanen, A. (Inventor), 8 Nov 2017, IPC No. G02B 26/ 00 A I, Patent No. EP3241002, Priority date 18 Dec 2015, Priority No. WO2015FI50909
Research output: Patent › Patent

Research output