C on f e r e n c e P r o g r a m

LSSE
Monday, 19 April[LSSE-1]  13:00-15:05
Keynote 1_Anti COVID 1

ProgramChair: Toshikazu Ebisuzaki
RIKEN

Kazuki Iimura‌1,2‌, Masami Takei‌2,‌ Yasuhiro Gon‌3‌,
Takeshi Sakamoto‌4‌, Satoshi Wada‌2,5‌‌1‌
LSSE-Opening  13:00
FARMROID Co., Ltd., ‌2‌Division of Hematology
andRheumatology, Department of Medicine,
Opening Remarks‌
Nihon University School of Medicine, ‌3Divisionof Respiratory medicine, Department of
LSSE-1-01  13:05
KeynoteMedicine, Nihon University School of Medicine,‌4‌
Rapid Detection system for new
Itabashi City, ‌5‌Photonics Control Technology
coronavirus
Team, RIKEN Center for Advanced Photonics
Yoshihide Hayashizaki
The SARS-CoV-2 RNA in the pharyngeal
RIKEN Preventive Medical Innovation Program swab sample collected from the patient was
The key to recovering economic activity from destroyed by 254 nm UVC from the UV
the long-term period of Covid19 pandemic is irradiation robot. In order to investigate the
how to safely hold events, transportation,
virus destruction mechanism by UV rays inmeetings, and so on. We have developed adetail, we set the UV irradiation timesystem that can detect the new coronavirus conditions to 5 seconds, 15 seconds, and 30
in about 20 minutes. An important point inseconds in the P3 laboratory, and conductedconducting a test for new coronavirus is toinfection experiments using two types of
perform a time-stamped snapshot test. In
PCR methods and Vero cells.
my speech, I would like to introduce a few
examples of our experiences to prevent
cluster formation.

LSSE-1-02  14:05
InvitedKaltech’s photocatalytic technology
efforts to address global
environmental issues
Junichi Somei
Kaltech Corporation
Kaltech’s photocatalytic technology has been
demonstrated to be effective against thenovel coronavirus through joint researchwith RIKEN and Nihon University School of
Medicine.Apply photocatalytic technology towater purification as well as air purification.
Photocatalysts discovered by Japanese
researchers about 50 years ago contributeto global environmental problems, including
pandemics.

LSSE-1-03  14:35
InvitedSimultaneous laser measurement of
the velocity and size of speechgenerated droplets
Takeharu Murakami, Norihito Saito,
Takayo Ogawa, Katsuhiko Tsuno,Michio Sakashita, Satoshi Wada
RIKEN
We propose a method that combinesorthogonal Particle Tracking Velocimetry andInterferometric Mie Imaging to measure thevelocity vector and size of speech droplets
simultaneously.

[LSSE-2]  15:30-17:00
Keynote 2_Anti COVID 2
Chair: Satoshi Wada
RIKEN

LSSE-2-01  15:30
KeynoteLight-based disinfection for SARSCOV2
Yoko Aida‌1,‌ Ryosuke Matsuura Matsuura‌3‌,
Chieh-Wen Lo‌1‌, Junichi Somei‌4‌,
Heihachiro Ochiai‌4,‌ Kazuo Iimura‌5,‌
Masaru Nakazawa‌1,‌ Masami Takei‌3,‌
Yosimi Benno‌2‌, Takeharu Murakami‌2,‌
Norihito Saito‌2‌, Takayo Ogawa‌2,‌
Atsushi Shinjo‌2‌, Satoshi Wada‌2‌
‌1‌
‌
‌3‌
The University of Tokyo, ‌2RIKEN,
Nihon
‌
Co.,
University School of Medicine, ‌4Kaltech‌5‌LTD, Farmroid Co., LTD
Light-based technologies, such as LED-TiO2
photocatalytic reaction and UVC light,
effectively inactivate SARS-CoV-2 bydifferent mechanisms. Therefore, these tools
could potentially save people from the risk ofinfectious diseases.

54

LSSE-2-02  16:30
Invited
The effect of the UV sterilization robot
UVBuster on the SARSCoV-2

Tuesday, 20 April

Wednesday, 21 April[LSSE-3]  10:30-11:30
Space Technology 1[LSSE-5]  10:00-11:20
Industrial Application 1

Chair: Toshikazu Ebisuzaki
RIKEN

Chair: Noboru Hasegawa
QST

LSSE-3-01  10:30
Invited LSSE-5-01  10:00
InvitedSimulation of Laser Beam Propagation Proposal of Phase Shift Optical Pulse
in the Atmosphere
Interference Seismograph and its
Installation for Monitoring the
Yoshiaki Kato, Toshikazu Ebisuzaki,
Decommission of Fukushima Daiichi
Tomohiro Tsukihana, Naoto Sakaki
Nuclear Power Plant
RIKEN
A. Nishimura‌1,‌ H. Morishita‌2‌, M. Yoshida‌2‌‌
JAEA, ‌2HakusanCorp.
A phase shift optical pulse interference(PSOPI) sensor was tested to observe the
LSSE-3-02  11:00
Invited vibration characteristics a cylindrical watertank in order to apply the seismic safety
1-kw Fiber Laser Beam Propagation in management for social infrastructure.
We report on simulations of thermal
blooming effect by high-power laser in theatmosphere.

‌1‌

Water Vapor

Tomohiro Tsukihana
RIKEN
1-kW fiber laser at 1070nm was used to
study the thermal blooming effect in water
vapor. Specifically, the thermal blooming
dependence on water-vapor absorption has
been elucidated.

LSSE-5-02  10:30
Water Tank Window Vibration
Characteristics due to Water Level by
Laser Vibration Displacement
Measurement and its Application

Akihiko Nishimura‌1‌, Tomonori Yamada‌1,2‌,
Yoshinori Shimada‌3‌, Hideki Morishita‌4,‌
Minoru Yoshida‌4‌[LSSE-4]  15:30-17:00‌1‌‌
Japan Atomic Energy Agency, ‌2Wakasa
WanSpace Technology 2‌of Laser
Energy Research Center, ‌3Institute
Chair: Toshikazu Ebisuzaki‌
Corp.
Engineering, ‌4Hakusan
RIKEN
In JAEA-NARAHA, vibration Characteristics ofa water tank due to water level rising is
LSSE-4-01  15:30
Invited measured. Laser Doppler vibration
Atmospheric Turbulence Measurement displacement sensor is used. This techniqueExperiments Using Backscattering for can be applied for monitoring internal
Predictive Adaptive Optics Control
pressure of a shielded radioactive material
capsule.
Takuya Noritake‌1,‌ Masashi Iwashimizu‌1‌,‌1‌‌1‌
Shingo Nishikata , Hiroyuki Daigo ,‌2‌‌2‌
Toshikazu Ebisuzaki , Naoto Sakaki ,LSSE-5-03  10:50
InvitedTomohiro Tsukihana‌2‌, Seiji Taniguchi‌3,‌
Laser-Induced
Elastic
Wave
Methods‌3‌‌3‌
Masayuki Fujita , Haik Chosrowjan
for Inspection of Civil Infrastructure‌1‌
Mitsubishi Heavy Industries, Co., Ltd., ‌2‌Riken
and Damage Detection in Concrete‌for Laser Technology
Institute, ‌3InstituteKatsufumi Hashimoto, Tomoki Shiotani
In order to realize high efficiency laser
Kyoto University
transmission, we must avoid atmosphericThis study aims to apply elastic wave
effects. This paper presents predictive
excitation technique with laser impact
adaptive optics control, which utilize
method to non-destructive inspection forbackscattering of atmosphere and anabsorption coefficient detector and the result detecting damage and defect in concrete ofof field experiments to take the atmospheric civil infrastructures.
turbulence from backscattering.

LSSE-4-02  16:00
InvitedEnd-of-Life Deorbit Service with a
Pulsed Laser Onboard a Small Satellite
Tadanori Fukushima‌1,2‌, Daisuke Hirata‌1,2‌,
Kazuma Adachi‌1,2‌, Yuki Itaya‌1,2‌, Jun Yamada‌1,‌
Katsuhiko Tsuno‌2‌, Takayo Ogawa‌2‌,
Satoshi Wada‌2‌, Toshikazu Ebisuzaki‌2‌‌1‌
SKY Perfect JSAT, ‌2‌RIKEN
In order to removal debris(nonfunctional
satellite), SKY Perfect JSAT Corporation has
begun designing a brand-new end-of-life(EOL) deorbit service satellite. The
Corporation aims to launch a demonstration
satellite in 2024 to start service in 2026.

[LSSE-6]  13:50-15:00
Agri-Photonics 1
Chair: Takayo Ogawa
RIKEN

LSSE-6-01  13:50
Noninvasive quantitative prediction offunctional ingredient in apple using
Raman spectroscopy and multivariate
calibration

Kouhei Saitoh‌1‌, Akinori Taketani‌2‌,
Takeharu Murakami‌2‌, Michio Sakashita‌2‌,
Saki Miyajima‌2,‌ Takayo Ogawa‌2,‌ Satoshi Wada‌2‌,
Hayato Maeda‌3,‌ Yasutaka Hanada‌1‌‌1‌
Hirosaki University The graduate school of‌Center for
Science and Technology, ‌2RIKEN‌3‌
LSSE-4-03  16:30
Invited Advanced Photonics, Hirosaki University
The graduate School of Agriculture and Life
Machine Learning for processing of
Sciences
space images
We present prediction of a functional‌1‌‌2‌
Antonio Montarano , M. E. Bertaina ,ingredient in apple using Raman
T. Ebisuzaki‌3‌
spectroscopy combined with multivariate‌1‌‌
Politecnico di Torino, ‌2The
University of Turin, calibration analysis. The method reveals
‌3‌
Riken
great potential for rapid and nondestructive
Machine Learning represents a powerful
analysis of the ingredient.
technique to recognize space images. We
focused on a new approach that could beapplied for any object moving linearly or witha known trajectory in the field of view of atelescope. We will report on the expected
performance of our approach based on
simulated space debris tracks and we will
provide insights on how this strategy could
be applied also as online trigger alert.

OPIC 2021・19-22 April, 2021

C on f e r e n c e P r o g r a m

LSSE

LSSE-6-02  14:10
InvitedOpen the door into the microbial world
by single-cell analysis
Haruko Takeyama‌1,2,3‌‌1‌
Department of Life Science and Medical
Bioscience, Waseda University, ‌2‌Computational
Bio Big-Data Open Innovation Laboratory, AISTWaseda University, ‌3‌Research Organization for
Nano & Life Innovation, Waseda University
We have developed a platform for screening
beneficial microbiomes and acquiringhigh-quality draft genomes at the single-celllevel by a combination of droplet
microfluidics and micro-Raman
spectroscopy.

LSSE-6-03  14:40
Tentative
Yasukazu Nakamura
National Institute of Genetics[LSSE-7]  16:00-17:00
Agri-Photonics 2
Chair: Kohsuke Chris Yamada
AOI-PARC

Thursday, 22 April[LSSE-8]  10:00-11:30
Mourning session for Dr. Shimada(ILT), who made a great contribution
to the field of laser remote sensing 1
Chair: Noboru Hasegawa
QST

LSSE-9-02  13:30
InvitedHigh power laser generated fineparticles and fragments in laser
processing

Hiroyuki Daido‌1,2‌, Tomonori Yamada‌2,4‌,
Chikara Ito‌2‌, Masabumi Miyabe‌2‌,
Takuya Shibata‌2‌, Hiroyuki Fukukawa‌1‌,
LSSE-8-01  10:00
Invited Stephen Wells‌3‌, Shuichi Hasegawa‌3‌‌1‌‌
Institute for Laser Technology, ‌2Japan
AtomicDevelopment of non-destructive
‌3‌
‌
The
UniversityofTokyo, ‌4The
EnergyAgency,inspection method for concrete
WakasaWan
EnergyResearchCenterelements in tunnel linings using laser
We describe and investigate the production
remote sensingof particles and fragments from laser
Yoshiaki Oka
irradiated materials and their dispersion
West Japan Railway Company
during laser processing. Observation of theWest Japan Railway Company and theInstitute for Laser Technology Institute jointly dynamical processes as well as adeveloped a laser remote sensing system as morphological investigation were performed
with a shadowgraph technique and anan alternative to the impact acoustics
electron microscope. These studies will
method for detecting defective concrete
contribute to decommissioning of nuclear
elements in tunnel linings.
facilities as well as a variety of high power
laser applications.

LSSE-10-02  16:20
Remote diagnostics of composite
insulator using laser-induced
breakdown spectroscopy
Takashi Fujii‌1‌, Taisei Homma‌1‌, Akiko Kumada‌1‌,
Hiroya Homma‌2‌, Yuji Oishi‌2‌‌1‌‌
The University of Tokyo, ‌2Central
Research
Institute of Electric Power Industry
We describe the results of depth profiling of
the surface degradation of silicone rubbercomposite insulators using laser-induced
breakdown spectroscopy for the remotediagnostics of composite insulators.

LSSE-Closing  16:40
Closing Remarks

ProgramWednesday, 21 April

LSSE-8-02  10:30
InvitedDevelopment and Application of
LSSE-9-03  14:00
InvitedLaser-Based Inspection Technique for
Laser Hammering Method for Initial
Concrete Structure
Stability Diagnosis of Pedicle Screw inShinri Kurahashi, Oleg Kotyaev,
Human Body
Yoshinori Shimada

LSSE-7-01  16:00
InvitedInstitute for Laser Technology
Light effects on Spirulina platensis
Shy Chyi Wuang
Temasek Polytechnic
Spirulina platensis is widely used as healthsupplements. In this study, we investigatedthe effects of light spectrum on the growthand carotenoids accumulation in thecynanobacteria.

LSSE-7-02  16:30
InvitedMeasuring and understanding plants
to improve performances: Photonic
sensors in large scale research
infrastructure for plant sciences
Rick van de Zedde, Gerrit Polder
Wageningen University &Research (WUR)
The focus in this talk is to give insights anddiscuss the photonics sensors/ imaging
systems that are used in the 6 modules of
the Netherlands Plant Eco-phenotyping
Centre (NPEC) , for instance hyperspectral
imaging systems to scout for diseases onfield mounted on a field phenotyping tractor.

Katsuhiro Mikami‌1,‌ Daisuke Nakashima‌2‌,
Noboru Hasegawa‌3‌, Toshiyuki Kitamura‌3,‌
I will introduce the history of theMasaharu Nishikino‌3‌, Takeo Nagura‌2‌
development and progress of remote‌1‌‌
Kindai University, ‌2Keio
University, ‌3‌National
inspection technology using lasers that Dr.
Institutes for Quantum and Radiological
Shimada has been working on and report
Science and Technology
the work in recent years.
Laser hammering method is one of theeffective laser sensing scheme. In this study,
LSSE-8-03  11:00
Invited we adapted the scheme to medical field for
In memory of research andstability diagnosis of orthopedic implants.

development of Laser directive
noncontact diagnosis for maintaining
degraded infrastructure (SIP) projectwith Dr. Shimada

Kiwamu Kase
RIKEN
Memories of the research and developmentof Laser directive noncontact diagnosis formaintaining degraded infrastructure (SIP)
project with Dr. Shimada is addressed.

[LSSE-9]  13:00-15:00
Mourning session for Dr. Shimada(ILT), who made a great contribution
to the field of laser remote sensing 2
Chair: Takashi Fujii
The University of Tokyo

LSSE-9-01  13:00
InvitedSoundness of heated concrete
samples characterized by a laser
driven ultrasonic technology
Tomonori Yamada‌1,2‌, Hiroyuki Daido‌3,2‌,
Takuya Shibata‌2‌‌1‌
WERC, ‌2‌JAEA, ‌3‌ILT
We have demonstrated a full noncontact
laser technology to measure the velocity ofultrasonic waves and their spectra
propagated through degraded concrete
samples exposed to specified hightemperature conditions.

OPIC 2021・19-22 April, 2021

LSSE-9-04  14:30
InvitedSocial Implementation for the Laser
Hammering System
Noboru Hasegawa‌1‌, Masaharu Nishikino‌1,2‌,
Hajime Okada‌1,2‌, Shuji Kondo‌1,2‌,
Toshiyuki Kitamura‌2,1‌, Shigeru Kogure‌2‌,
Satoshi Tomoto‌3‌‌1‌
National Institutes for Quantum and‌Radiological Science and Technology, ‌2Photon‌
Engineering Co., Ltd.
Lab. Co., Ltd., ‌3CTI
We are developing and implementing insociety a remote non-destructive sensing
system for concrete, Laser Hammering
System (LHS). Several trial works are alreadyperformed in road tunnels, andestablishment an operation method for
effective utilization is in progress.

[LSSE-10]  16:00-16:50
Industrial Application 2
Chair: Akihiko Nishimura
Japan Atomic Energy Agency

LSSE-10-01  16:00
Influence of friction in bolt loosening
inspection based on laser hammering
methodYuka Okamoto‌1,‌ Katsuhiro Mikami‌1‌,
Natsumi Sudo‌1‌, Noboru Hasegawa‌2‌,
Masaharu Nishikino‌2‌‌1‌‌
Kindai University, ‌2National
Institutes for
Quantum and Radiological Science andTechnology Kansai Photon Science InstituteLaser hammering method can adapt intobolt loosening inspection. In this study, weevaluated the influence of friction in laser
hammering method by measurement of theaxial force.

55