3 papers
physics.optics2021
Characterization of Predictable Quantum Efficient Detector over a wide range of incident optical power and wavelength
Mikhail Korpusenko, Farshid Manoocheri, Olli-Pekka Kilpi +5
We investigate the Predictable Quantum Efficient Detector (PQED) in the visible and near-infrared wavelength range. The PQED consists of two n-type induced junction photodiodes wit…
physics.app-ph2019
Nano-thermoelectric infrared bolometers
Aapo Varpula, Kirsi Tappura, Jonna Tiira +5
Infrared (IR) radiation detectors are used in numerous applications from thermal imaging to spectroscopic gas sensing. Obtaining high speed and sensitivity, low-power operation and…
physics.ins-det2018
Microfabricated sensor platform with through-glass vias for bidirectional 3-omega thermal characterization of solid and liquid samples
Corinna Grosse, Mohamad Abo Ras, Aapo Varpula +6
A novel microfabricated, all-electrical measurement platform is presented for a direct, accurate and rapid determination of the thermal conductivity and diffusivity of liquid and s…