2001: Proceedings of the 19th Samahang Pisika ng Pilipinas Philippine Physics Congress

Plenary Sessions

IT-based physics education and interactive learning

Jin S. Kim; Keum H. Lee

SPP-2001-PT-01
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Laser terahertz technology

Masanori Hangyo

SPP-2001-PT-02
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Cellular explorations made easy! Biological applications of confocal and multiphoton microscopy

Chris Johnson, Maria Luz Paje

SPP-2001-PT-03
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A comparison of three pulse-retrieval algorithms in frequency-resolved optical gating

Carlo Amadeo Alonzo, Marlon Rosendo Daza

SPP-2001-PT-04
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Statistical analysis of the Philippine stock index

Matthew George Escobido

SPP-2001-PT-05
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What is a hologram?

Marlon Rosendo Daza

SPP-2001-PT-06
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Current trends in physics education: A paradigm shift to the active learning perspective

Maria Obiminda L. Cambaliza

SPP-2001-PT-07
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Vacuum technology and its applications

Henry J. Ramos

SPP-2001-PT-08
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Strain hardening, elastic limit and elastic modulus experiment on copper, tie and fuse wires

Benjamin O. Chan

SPP-2001-PT-09
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Complex Systems

"Walking Ant in the Rain" model: Microscopic complexity in a general decision-based system

Marcelino Quito Jr., Christopher Monterola, Caesar Saloma

SPP-2001-W2B-1
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Investigation of the characteristics of foreign exchange

Patricia Arielle Castro, Johnrob Bantang, May Lim, Christopher Monterola, Jerrold Garcia, Caesar Saloma

SPP-2001-W2B-2
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Self-organized criticality in the exit dynamics of pedestrians using a two dimensional cellular automata

Gay Jane Perez, Giovanni Tapang, May Lim, Caesar Saloma

SPP-2001-W2B-3
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A geometric algebra formulation to verify the Milankovitch theory of climatic cycles

Joel T. Maquiling, Daniel J. McNamara, SJ

SPP-2001-W2B-4
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Integrating hysteresis into system models

May T. Lim, Caesar A. Saloma

SPP-2001-W2B-5
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A numerical approach in the dynamical segregation of granular material through a pipe

Johnrob Y. Bantang, May T. Lim, Christopher P. Monterola, Caesar A. Saloma

SPP-2001-W2B-6
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Environmental Physics

An air pollution model for Metro Manila

Rochelle Therese F. Balmori, Mariano A. Estoque

SPP-2001-H2B-1
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An analysis on the precipitable water vapor observed over the PIMO GPS Station

Faye T. Cruz, Jose T. Villarin, SJ

SPP-2001-H2B-2
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Pollution patterns from discharges of a marine outfall

Mariano A. Estoque, Rochelle Therese F. Balmori

SPP-2001-H2B-3
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The convective boundary layer height and its effect on pollutant concentration

Genelita B. Tubal, Mariano A. Estoque, John L. Holdsworth, Jose T. Villarin, SJ

SPP-2001-H2B-4
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Rainfall simulation using the Fifth-Generation PSU/NCAR Mesoscale Model (MM5)

Khervin U. Cheng Chua, Ella Cecilia Castillo, Jose T. Villarin, SJ, Faye T. Cruz

SPP-2001-H2B-5
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Representation of a 1961–90 climatological mean

Ella Cecilia R. Castillo, Jose Ramon T. Villarin, SJ

SPP-2001-PP-01
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Image and Signal Processing

Noise-aided detection of weak optically-transmitted signals

Stephen Daedalus E. Separa, Giovanni A. Tapang, May T. Lim, Caesar A. Saloma

SPP-2001-W3A-1
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Low-level color and texture feature extraction of coral reef components

Ma. Sheila Angeli Marcos, Maricor Soriano, Caesar Saloma

SPP-2001-W3A-2
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Front-view gait parameterization using arm movement

Alessandra P. Araullo, Maricor N. Soriano, Caesar A. Saloma

SPP-2001-W3A-3
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Noise assisted weak signal detection using a sinusoid-crossing analog-to-digital converter

Vernon Julius Cemine, Vincent Ricardo Daria, Caesar Saloma

SPP-2001-W3A-4
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Stereoscopic length measurements on coral using neural networks

Carlo M. Orofeo, Jerome Impas, Renante Violanda, Kees Karremans

SPP-2001-F1B-1
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Noise-aided signal detection in neural networks

Christopher P. Monterola, Caesar A. Saloma

SPP-2001-F1B-2
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Observation of the route to chaos in the impact oscillator using the vision-based motion sensor

Edcel John Salumbides, Kees Karremans

SPP-2001-F1B-3
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Automated human chromosome karyotyping using Matlab

Ranzivelle Marianne L. Roxas, Maricor N. Soriano, Caesar A. Saloma

SPP-2001-F1B-4
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Restoration and merging of multispectral and radar imagery for land use studies

Serg C. Abad II, Gerald A. Galgana, Ma. Aileen Leah G. Guzman, Efren C. Ty, Jr.

SPP-2001-F1B-5
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Joint time-frequency analysis for speech recognition

Albert James M. Licup, Edcel John L. Salumbides, Bernardino J. Buenaobra, Kees Karremans

SPP-2001-PP-10
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Dual tone multi-frequency–based instrument interface for remote access and control

Norman S. Vitancol, Nelio C. Altoveros

SPP-2001-PP-11
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Reconstruction of 3D objects by phase-shifting digital holography

Percival F. Almoro, Marilou M. Cadatal, Marlon Rosendo H. Daza

SPP-2001-PP-12
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Lasers and Applications

Displacement measurements at diffraction-limited resolution using optical-feedback laser diode Michelson interferometer

Peter John Rodrigo, May Lim, Caesar Saloma

SPP-2001-W2A-1
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Measurement of the temperature of rubidium atoms in a magneto-optical trap

John Waruel F. Liwag, Victor Arni Sicam, Kees Karremans

SPP-2001-W2A-2
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Time-of-flight measurement of a 355-nm Nd:YAG laser-produced aluminum plasma

Marian F. Baclayon, Carlo Amadeo Alonzo, Wilson O. Garcia

SPP-2001-W2A-3
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All-optical recognition of 3D objects with a photorefractive crystal

Raphael A. Guerrero, Jade Dungao, Marlon Rosendo H. Daza

SPP-2001-W2A-4
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Full-field measurement of laser induced non-local birefringence in homeotropically aligned nematic liquid crystals

Paul Eric B. Parañal, Marlon Rosendo H. Daza

SPP-2001-W2A-5
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Measurement of 3-D deformations by phase-shifting digital holographic interferometry

Percival F. Almoro, Marilou M. Cadatal, Marlon Rosendo H. Daza

SPP-2001-W2A-6
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Development of a tunable, narrow linewidth diode laser for spectroscopy experiments on rubidium atoms

Victor Arni Sicam, John Waruel Liwag, Adonis Flores, Kees Karremans

SPP-2001-F1C-1
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Frequency conversion of a 532 nm Nd:YAG laser using a hydrogen Raman shifter

Jonathan A. Palero, Rodelio S. Ibarreta, Wilson O. Garcia

SPP-2001-F1C-2
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Signal amplification in a methyl red-dye-doped nematic liquid crystal

Jacque Lynn F. Gabayno, Nathaniel P. Hermosa II, Marlon Rosendo H. Daza

SPP-2001-F1C-3
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Laser-induced nonlocal refractive index change in methyl red-doped nematic liquid crystal E7

Darwin Palima, Rumelo Amor, Nathaniel Hermosa, Marlon Daza

SPP-2001-F1C-4
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Attenuation in an infrared freespace link under Metro Manila rainfall: Experimental results

Raphael A. Guerrero, Brey Vaughn A. Lee, Jenard K. Mendoza

SPP-2001-F1C-5
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Micro-holograms in a methyl red doped PDLC (E48:PVP)

Nathaniel P. Hermosa II, Marlon Rosendo H. Daza

SPP-2001-F1C-6
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Optical recognition of fingerprints

Alvin C. Baclig, Percival F. Almoro, Marlon Rosendo H. Daza

SPP-2001-PP-02
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Optics and Microscopy

Chaos in diamagnetic helium Rydberg atoms

Kees Karremans

SPP-2001-W1B-1
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Holographic gratings in a methyl red-doped PDLC (E48:PVP)

Nathaniel P. Hermosa II, Marlon Rosendo H. Daza

SPP-2001-W1B-2
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Polarized light propagation in polymer dispersed liquid crystal

Serafin Delica, Carlo Mar Blanca

SPP-2001-W1B-3
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Measurements of magneto-optical effects using terahertz–time domain transmission spectroscopy

Alex Quema, Shigeki Nashima, Osamu Morikawa, Masanori Hangyo

SPP-2001-H1C-1
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Detection statistics of ultrafast twin-photon pulses

Giovanni A. Tapang, Caesar A. Saloma

SPP-2001-H1C-2
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Dynamics of a self-pulsating semiconductor laser under optical feedback

Ronald F. Isip, Marlon Rosendo Daza

SPP-2001-H1C-3
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Theoretical analysis of one-dimensional photonic crystal with defects

Jay E. Tio, Marlon Rosendo H. Daza

SPP-2001-H1C-4
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Effect of surface anchoring on optically induced refractive index modulation: A Monte Carlo simulation

Francisco G. Escario, Jr., Serafin F. Delica, Zenaida B. Domingo

SPP-2001-H1C-5
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Anomaly in the absorption spectra of standing turbulent asymmetrical diatomic gases

Gilbert T. Andres

SPP-2001-H1C-6
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Reconstruction of spectral emittance of fluorescent dyes using image color and principal component analysis

Wilma Oblefias, Maricor Soriano, Caesar Saloma

SPP-2001-H2A-1
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Apertureless optical near-field fabrication using atomic force microscope on photoresists

Alvarado B. Tarun, Marlon Rosendo Daza, Norihiko Hayazawa, Yasushi Inouye, Satoshi Kawata

SPP-2001-H2A-2
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Single-photon optical-beam-induced current microscopy of semiconductor devices with enhanced contrast

Jelda Miranda, Vincent Daria, Caesar Saloma

SPP-2001-H2A-3
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Stimulated rotational and vibrational Raman scattering in hydrogen

Jonathan A. Palero, Rodelio S. Ibarreta, Wilson O. Garcia

SPP-2001-PP-04
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Liquid Crystals

A new liquid crystal mixture based on E48 and castor oil

Sarah Johnson, Serafin Delica, Zenaida Domingo

SPP-2001-W3B-1
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Liquid crystalline properties of rheumatoid arthritis erythrocyte ghosts: A polarized light microscopy study

Mark Lexter K. Pagcu, Vallerie Ann A. Innis, Zenaida B. Domingo

SPP-2001-W3B-2
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Measurement of curvature-elastic modulus of soya lecithin vesicles

Bhazel Anne H. Rara, Claire M. Macale, Zenaida B. Domingo

SPP-2001-W3B-3
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Kinetics of non-isothermal crystallization of coconut-based cholesteryl ester: Avrami and Ozawa approaches

Joihren F. Joson, Liza T. Davila, Zenaida B. Domingo

SPP-2001-W3B-4
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Measurement

Ammonia gas level detection in swine facilities

Joanes Paulus Sy, Nelio C. Altoveros

SPP-2001-F1A-4
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Measurements of the index of refraction of air and water using a Mach-Zehnder interferometer

Adonis S. Flores, Marlo Flores, Kees Karremans, Ben Zuidberg

SPP-2001-F1A-5
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Photomultiplier tube spatial uniformity and its influence on lidar signals

Ronald N. Choy, John L. Holdsworth

SPP-2001-F1A-6
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Investigation of the Magnetic Hill Phenomenon on Mount Makiling

Marvin U. Herrera, Nesse Grace T. Uriarte, Maricon R. Amada, Emmanuel A. Florido, C. U. Collado, Jr.

SPP-2001-PP-03
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Plasma Physics

Extraction characteristics of hydrogen-like helium ions in a magnetized sheet plasma

Gene Q. Blantocas, Henry J. Ramos

SPP-2001-W3C-1
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Thin film formation of gallium nitride (GaN) using plasma-sputter deposition technique

Randolph Flauta, Toshiro Kasuya, Tadashi Ohachi, Motoi Wada

SPP-2001-W3C-2
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Profile analysis of hydrogenic helium ions in a magnetized sheet plasma

Gene Q. Blantocas, Henry J. Ramos

SPP-2001-W3C-3
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Optimized extraction of H⁻ by three-electrode Faraday cup system in magnetized sheet plasma ion source

Marcedon S. Fernandez, Henry J. Ramos

SPP-2001-W3C-4
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Semiconductor Physics

Growth of GaAs based VCSEL/RCE structures for optoeleclectronic applications via molecular beam epitaxy

Armando S. Somintac, Elmer Estacio, Michelle F. Bailon, Arnel A. Salvador

SPP-2001-W1A-1
Electron traps in GaAs grown by molecular beam epitaxy on on-axis (100) and off-axis substrates

Raymund Sarmiento, Armando Somintac, Luisito Guiao, Francisco Agra, Arnel Salvador

SPP-2001-W1A-2
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Preparation and characterization of thin semiconducting polymer film

Lito P. de la Rama, Benjamin O. Chan, Ivan B. Culaba, Erwin P. Enriquez, Edward T. Chainani

SPP-2001-W1A-3
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Electronic properties of Ppy/n-Si heterojunctions fabricated using a three-electrode cell

Celia Banaag, Ofelia Rempillo, Maria Carla Manzano, Reuben Quiroga, Enrique Manzano

SPP-2001-H2C-1
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Investigation on the electron mobility of modulation-doped GaAs/AlGaAs heterostructures

Michelle F. Bailon, Elmer S. Estacio, Armando Somintac, Arnel A. Salvador

SPP-2001-H2C-2
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Observation of the quantum-confined Stark effect in a GaAs/AlGaAs p-i-n diode by room temperature photocurrent spectroscopy

Christine S. Ison, Elmer S. Estacio, Michelle F. Bailon, Armando S. Somintac, Arnel A. Salvador

SPP-2001-H2C-3
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Comparative study on x-ray diffraction of GaAs/AlGaAs multiple quantum wells grown on on-axis and off-axis substrates

Luisito C. Guiao, Armando S. Somintac, Raymund Lee Sarmiento, Elmer S. Estacio, Arnel A. Salvador

SPP-2001-H2C-4
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Low temperature photoluminescence of GaAs-epitaxial layers

Michelle F. Bailon, Elmer S. Estacio, Armando Somintac, Arnel A. Salvador

SPP-2001-PP-09
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Superconductivity

The holon spectral function at finite temperature for high Tc superconductors

Danilo M. Yanga, Augusto A. Morales, Jr., Susumu Kurihara

SPP-2001-W2C-1
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Thermally activated vortex motion and electrical dissipation in a Bi₂Sr₂CaCu₂O_8+Î´ thin film

Clarina R. de la Cruz, Aaron Paul C. dela Cruz, Leandro Jose D. Guerra, Roland V. Sarmago

SPP-2001-W2C-2
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Magnetic susceptibility of high temperature superconductors using the Matsubara formalism

Michael Reuben C. Solis, John Paul Pampolina, Jose Perico H. Esguerra, Augusto A. Morales, Jr., Danilo M. Yanga

SPP-2001-W2C-3
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Liquid phase epitaxial growth of superconducting Bi₂Sr₂CaCu₂O_8+Î´ thin films on MgO and Al₂O₃ substrates

Leandro Jose D. Guerra, Ivan Ronald O. Ambanta, Adrel Voltaire Cueto, Margie P. Olbinado, Roland V. Sarmago

SPP-2001-W2C-4
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Temperature and time dependence of Bi-2212 phase stability with Ca₂CuO₃ and CuO

Francisco A. Agra, Pio John Buenconsejo, Roland V. Sarmago

SPP-2001-W2C-5
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An x-ray diffraction and SEM study of the effect of excess CaCO₃, CaO and CuO on the stability of Bi-2212 phase

Persia Ada N. de Yro, Melissa B. Manauis, Roland V. Sarmago

SPP-2001-W2C-6
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Synthesis of bulk superconducting magnesium diboride

Leandro Jose D. Guerra, Margie P. Olbinado, Roland V. Sarmago

SPP-2001-H1A-1
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AC magnetic susceptibility of bulk MgB₂ at various excitation frequencies and applied fields

Roland V. Sarmago

SPP-2001-H1A-2
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Critical current and magnetoresistance measurements in bulk MgB₂

Clarina R. de la Cruz, Leandro D. Guerra, Roland V. Sarmago

SPP-2001-H1A-3
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Determination of oxygen content of YBa₂Cu₃O_7−δ using iodometric titration

Edwin L. Olmos, Marvin U. Herrera, Roland V. Sarmago

SPP-2001-H1A-4
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Frequency and applied field dependence of the imaginary part of AC magnetic susceptibility of YBCO

Katrina Louise C. Molina, Maria Veronica G. Sibayan, Leandro Jose D. Guerra, Roland V. Sarmago

SPP-2001-H1A-5
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Fluctuation conductivity studies on Bi₂Sr₂CaCu₂O_8+Î´ film with varying applied currents

Ervin Jon M. Hinojales, Clarina R. de la Cruz, Roland V. Sarmago

SPP-2001-H1A-6
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Investigation of phasor behavior of high Tc bulk superconductors by AC susceptibility measurements

Fe Loraine Bernaldez, Katrina Louise Molina, Roland V. Sarmago

SPP-2001-PP-13
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Study of the growth orientation of Bi-2212 single crystals via X-ray diffraction

Hannah P. Rillera, Remylou D. Sioson, Minerva M. Cruz, Roland V. Sarmago

SPP-2001-PP-14
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Varying transition of Bi₂Sr₂CaCu₂O_8+Î´ films with applied current

Jonathan B. Ronulo, Mariel Grace S. Dimamay, Clarina R. de la Cruz, Roland V. Sarmago

SPP-2001-PP-15
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Synthesis and characterization of YBa₂Cu₃O_7–δ single crystals

Minerva M. Cruz, Roland V. Sarmago

SPP-2001-PP-16
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Reinterpretation of AC susceptibility features of YBCO in a mutual inductance bridge based on phase de-tuning

Bess G. Singidas, Katrina Louise C. Molina, Leandro Jose D. Guerra, Roland V. Sarmago

SPP-2001-PP-17
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High Energy Physics

Measurement of the 6-jet Higgs channel in the 3-Tesla detector at JLC

Jingle B. Magallanes, Allister Levi C. Sanchez, Dennis C. Arogancia, Hermogenes C. Gooc, Jr., Angelina M. Bacala, Akiya Miyamoto, Keisuke Fujii

SPP-2001-F1A-1
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Cosmic ray flux measurements in Iligan City in 2001

Ryan B. Balili, Louie T. Murcia, Johanna Evi P. Buendia, Al Lester M. Cabrera, Benedict D. Entera, Jihan L. Dagondong, Wilson I. Barredo, Leo Cristobal C. Ambolode II, Edman H. Gallamaso, Elvis L. Geneston, John Paullette A. Monteron, M. L. R. Nadayag, Anthony Paul D. Ramirez, Catherine S. Taban, Marlyne M. Villareal, Rosario L. Reserva, Angelina M. Bacala

SPP-2001-F1A-2
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Two-track separation study of the JLC-CDC baby chamber

Hermogenes C. Gooc, Jr., Jingle B. Magallanes, Angelina M. Bacala, Dennis C. Arogancia, Ian Ceasar M. Vicente, Keisuke Fujii

SPP-2001-F1A-3
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Study of single W bosons at JLC

Ian Ceasar M. Vicente, Dennis C. Arogancia, Hermogenes C. Gooc, Jr., Jingle B. Magallanes, Allister Levi C. Sanchez, Angelina M. Bacala, Akiya Miyamoto, Keisuke Fujii

SPP-2001-PP-08
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