| Non-linear optical susceptibilities of molecular crystals in the region of vibronic excitations. I. The three-dimensional case IJ Lalov, KT Stoychev, SP Penchev Physica status solidi (b) 119 (1), 419-427, 1983 | 8 | 1983 |
| Atmospheric remote sensing hygrometer employing powerful broad-line laser diodes S Penchev, V Pencheva, S Naboko Comptes rendus de l'Académie bulgare des Sciences 65 (5), 669-674, 2012 | 7 | 2012 |
| Application of modulated optical reflectance method for high-temperature superconducting film characterization V Pencheva, S Penchev, V Naboko, S Naboko, T Donchev Vacuum 76 (2-3), 253-256, 2004 | 7 | 2004 |
| DIAL monitoring of atmospheric climate-determining gases employing high-power pulsed laser diodes SP Penchev, SV Naboko, VN Naboko, VH Pencheva, T Donchev, ... 12th International School on Quantum Electronics, 290-294, 2003 | 7 | 2003 |
| Application of Pulsed GaAs Diode Lasers to High Resolution Molecular Spectroscopy and Atmospheric Monitoring S Penchev, V Pencheva, V Naboko, S Naboko Journal of Applied Electromagnetism 1, 52-59, 1998 | 7 | 1998 |
| Optical double-heterodyne ultra-sensitive photothermal displacement measurement T Tanabe, S Penchev, K Toyoda Lasers in Engineering 3, 59-63, 1994 | 7 | 1994 |
| Non-Linear Optical Susceptibilities of Molecular Crystals in the Region of Vibronic Excitations. II. Totally Symmetric Vibrations IJ Lalov, KT Stoychev, SP Penchev Physica status solidi (b) 120 (2), 671-678, 1983 | 7 | 1983 |
| A Diode Laser High Resolution Fiber optical Infrared Spectrometer YV Kosichkin, NV Lemekhov, AI Nadezhdinskii, S Penchev, EV Stepanov, ... Sov. Phys.-Lebedev Institute Reports, 36-38, 1986 | 6 | 1986 |
| Utilization of Pulsed GaAs Diode Lasers to Complex Lidar Remote Sensing S Penchev, V Pencheva, V Naboko, S Naboko, T Patrikov, P Simeonov Journal of Applied Electromagnetism 3 (3), 37-45, 2001 | 5 | 2001 |
| Utilization of pulsed GaAs diode lasers to complex lidar remote sensing S Penchev, V Pencheva, V Naboko, S Naboko Proc. II Intern. Symposium of Trans Black Sea Region on Appl …, 2000 | 5 | 2000 |
| Laser heterodyne measurement of photothermal displacement for material surface characterization V Pencheva, S Penchev, V Naboko, T Donchev, S Kolev, T Kutzarova Plasma Processes and Polymers 3 (2), 253-256, 2006 | 4 | 2006 |
| An automated open path gas analyzer, based on tunable diode laser and its application in the monitoring of atmosphere pollution M Angelova, A Donchev, II Zasavitskii, YV Kosicbkin, T Kiystev, ... Sov. Phys. Lebedev Inst. Rep 10, 54-58, 1986 | 4 | 1986 |
| A compact DIAL hygrometer employing paired powerful laser diodes of 0.85-0.9 um wavelengths S Penchev, V Pencheva, S Naboko 19th International Conference and School on Quantum Electronics: Laser …, 2017 | 2 | 2017 |
| Laser double-heterodyne integrated microscopy of magnetoelectric nanofilms S Penchev, V Pencheva, I Nedkov, K Krezhov Vacuum 96, 7-11, 2013 | 2 | 2013 |
| Laser Photothermal Analysis of Magnetoelectric Materials S Penchev, V Pencheva, I Nedkov, T Kutzarova, V Naboko 7th International Conference of the Balkan Physical Union 1203 (1), 273-276, 2010 | 2 | 2010 |
| Laser heterodyne photothermal nondestructive method: extension to transparent probe V Pencheva, S Penchev, V Naboko, K Toyoda, T Donchev 14th International School on Quantum Electronics, 660416-660416-5, 2007 | 2 | 2007 |
| Digital signal processing and data acquisition employing diode lasers for lidar-hygrometer SV Naboko, LY Pavlov, SP Penchev, VN Naboko, VH Pencheva, ... 12th International School on Quantum Electronics, 295-299, 2003 | 2 | 2003 |
| Автоматизированный газоанализатор на основеперестраиваемых диодных лазеров и его применение в исследованииях динамики атмосферных загрязнений М Ангелова, А Дончев, ИИ Засавицкий, ЮВ Косичкин, Т Кръстев, ... Kratkie Soobshcheniya po Fizike 10, 36-38, 1986 | 2* | 1986 |
| DIAL hygrometer based on powerful laser diodes: calibration function and modulation of laser radiation V Pencheva, S Penchev, T Dreischuh Journal of Physics: Conference Series 2487 (1), 012017, 2023 | 1 | 2023 |
| Development of lidar for remote methane sensing using an optimal configuration of high-power laser diodes V Pencheva, S Penchev, T Dreischuh Journal of Physics: Conference Series 2240 (1), 012033, 2022 | 1 | 2022 |
