Dr. Percival F. Almoro is professor at the National Institute of Physics (NIP), University of the Philippines Diliman and is a UP scientist 1. He is currently the deputy director for facilities and resources of the institute.

He obtained his Ph.D. Physics at the NIP in 2004 and carried out post-doctoral research fellowships at the Institute of Applied Optics, Universität Stuttgart, Germany from 2005 until 2006, Risø National Research Laboratory, Kingdom of Denmark from 2007 until 2009 and at the Center of Optical Research and Education, University of Utsunomiya, Japan in 2014.

Dr.Senior_Member_Triangle_Cool_Gray_ Almoro is a Senior Member of the Optical Society of America (OSA). He is also a Topical Editor of the OSA Applied Optics journal. As topical editor, he is responsible in assigning reviewers and in making decisions on the reviewed manuscripts in specialised fields including but not limited to Interferometry, Holography, Speckle, Statistical Fringe Processing and Nondestructive testing.

 

 

Email: palmoro@nip.upd.edu.ph

Cluster: Coherent Metrology

Other websites:

Google scholar: Percival Almoro

 

ISI-SCI Publications

[1] Timothy Joseph T. Abregana, and Percival F. Almoro, “Object localization using the statistical behavior of volume speckle fields,” Opt. Eng. 55(12), 121720 (2016), doi: 10.1117/1.OE.55.12.121720

[2] Percival F. Almoro, Quang Duc Pham, David Ignacio Serrano-Garcia, Satoshi Hasegawa, Yoshio Hayasaki, Mitsuo Takeda, and Toyohiko Yatagai, “Enhanced intensity variation for multiple-plane phase retrieval using spatial light modulator as convenient tunable diffuser,” Optics Letters 41 (10), 2161-2164 (2016)

[3] Justine Patricia L. Carpio and Percival F. Almoro, “Wavefront watermarking of technical and biological samples using digital random phase modulation and phase retrieval,” Journal of Modern Optics 61, 1381-1386 (2014)

[4] Esmerando Escoto, Joselito Muldera, Lean Dasallas, Elmer Estacio, and Percival F. Almoro, “Mapping of Temporal Coherence Function for Ultrafast Lasers via Statistical Fringe Analysis of Reconstructed Phase Maps,” Optics Communications 329, 190-195 (2014)

[5] Francesca Celine I. Catalan and Percival F. Almoro, “Deterministic phase retrieval interferometry,” Optics Communications 294, 73-77 (2013)

[6] Percival F. Almoro, Giancarlo Pedrini, Wolfgang Osten, and C.S. Narayanamurthy, “Analysis of Bessel beam propagation in free space using digital holographic microscopy,” Optik – International Journal for Light and Electron Optics 124 (14), 1882-1885 (2013)

[7] Francesca Celine I. Catalan, Anne Margarette S. Maallo and Percival F. Almoro, “Fringe analysis and enhanced characterization of sub-surface defects using fringe-shifted shearograms,” Optics Communications 285, 4223-4226 (2012)

[8] Percival F. Almoro, Laura Waller, Mostafa Agour, Claas Falldorf, Giancarlo Pedrini, Wolfgang Osten, and Steen G. Hanson, “Enhanced deterministic phase retrieval using a partially developed speckle field,” Optics Letters 37 (11), 2088-2090 (2012)

[9] Jae Lord Dexter C. Filipinas and Percival F. Almoro, “Vibration detection using focus analysis of interferograms,” Applied Optics 51 (9), 1431-1435 (2012)

[10] Mostafa Agour, Percival F. Almoro, and Claas Falldorf, “Investigation of smooth wave fronts using SLM-based phase retrieval and a phase diffuser,” Journal of the European Optical Society Rapid Publications 7, 12046 (2012)

[11] Jae Lord Dexter C. Filipinas and Percival F. Almoro, “Fringe localization using focus measure,” Optics Letters 36, 3798-3800 (2011)

[12] Anne Margarette S. Maallo and Percival F. Almoro, “Numerical correction of optical vortex using a wrapped phase map analysis algorithm,” Optics Letters 36, 1251-1253 (2011)

[13] Percival F. Almoro, Giancarlo Pedrini, Phanindra N. Gundu, Wolfgang Osten, and Steen G. Hanson, ” Enhanced Wavefront Reconstruction by Random Phase Modulation with a Phase Diffuser,” Optics and Lasers in Engineering 49, 252-257 (2011)

[14] Percival F. Almoro, Giancarlo Pedrini, Fucai Zhang, Anne Margarette S. Maallo, Arund Anand, Phanindra N. Gundu, Wei Wang, Anand Asundi, Wolfgang Osten, and Steen G. Hanson, “Fault-tolerant characterization of phase objects using a speckle-based phase retrieval technique,” International Journal of Optomechatronics 4(4), 397-410 (2010)

[15] Percival F. Almoro, Jesper Glückstad and Steen G. Hanson, “Single-plane multiple speckle pattern phase retrieval using a deformable mirror,” Optics Express 18(18), 15304-19313 (2010)

[16] Anne Margarette S. Maallo, Percival F. Almoro and Steen G. Hanson, ” Quantization analysis of speckle intensity measurements for phase retrieval,” Applied Optics 49, 5087-5094 (2010)

[17] Percival F. Almoro, Giancarlo Pedrini, Phanindra N. Gundu, Wolfgang Osten, and Steen G. Hanson, “Phase microscopy of technical and biological samples through random phase modulation with a diffuser,” Optics Letters 35, 1028-1030 (2010)

[18] Percival F. Almoro, Anne Margarette S. Maallo and Steen G. Hanson, “Fast-convergent algorithm for speckle-based phase retrieval and a design for dynamic wavefront sensing,” Applied Optics 48, 1485-1493 (2009)

[19] Percival F. Almoro, Phanindra N. Gundu, and Steen G. Hanson, “Numerical correction of aberrations via phase retrieval with speckle illumination,” Optics Letters 34, 521-523 (2009)

[20] Percival F. Almoro, Giancarlo Pedrini, Arun Anand, Wolfgang Osten, and Steen G. Hanson, “Angular displacement and deformation analyses using a speckle-based wavefront sensor,” Applied Optics 48, 932-940 (2009)

[21] Percival F. Almoro and Steen G. Hanson, “Object wave reconstruction by speckle illumination and phase retrieval,” Journal of the European Optical Society Rapid Publications 4, 09002 (2009)

[22] Arun Anand, Vani K. Chhaniwal, Percival F. Almoro, Giancarlo Pedrini and Wolfgang Osten, “Shape and deformation measurements of 3D objects using volume speckle field and phase retrieval,” Optics Letters 34, 1522-1524 (2009)

[23] Percival F. Almoro, Giancarlo Pedrini, Arun Anand, Wolfgang Osten, and Steen G. Hanson, “Interferometric evaluation of angular displacements using phase retrieval,” Optics Letters 33, 2041-2043 (2008)

[24] Percival F. Almoro and Steen G. Hanson, “Random phase plate for wavefront sensing via phase retrieval and a volume speckle field,” Applied Optics 47, 2979-2987 (2008)

[25] Percival F. Almoro and Steen G. Hanson, “Wavefront sensing using speckles with fringe compensation,” Optics Express 16, 7608-7618 (2008)

[26] Percival Almoro, Wilson Garcia, and Caesar Saloma, “Colored object recognition by digital holography and a hydrogen Raman shifter,” Optics Express 15, 7176-7181 (2007)

[27] Arun Anand, Giancarlo Pedrini, Wolfgang Osten and Percival Almoro, “Wavefront sensing with random amplitude mask and phase retrieval,” Optics Letters 32, 1584-1586 (2007)

[28] Percival F. Almoro, Giancarlo Pedrini and Wolfgang Osten, “Aperture synthesis in phase retrieval using a volume-speckle field,” Optics Letters 32, 733-735 (2007)

[29] Percival Almoro, Giancarlo Pedrini, and Wolfgang Osten, “Complete wavefront reconstruction using sequential intensity measurements of a volume speckle field,” Applied Optics 45, 8596-8605 (2006)

[30] Percival Almoro, Marilou Cadatal, Wilson Garcia, and Caesar Saloma, “Pulsed Full-Color Digital Holography with a Hydrogen Raman Shifter,” Applied Optics 43, 2267-2271 (2004)