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DEVELOPMENT OF VIRTUAL REALITY APPLICATION FOR CULTURAL HERITAGE VISUALIZATION FROM MULTI-SOURCE 3D DATA
Virtual Reality Visualization Cultural heritage Multi-source data
2019/3/1
Immersive technologies like Virtual or Augmented Reality (VR/AR) are lately becoming more and more popular in wide range of scientific applications. These technologies provide the most immersive way t...
COMPARISON OF POINT CLOUD REGISTRATION ALGORITHMS FOR BETTER RESULT ASSESSMENT – TOWARDS AN OPEN-SOURCE SOLUTION
Registration Point clouds Comparison Evaluation Open-source Laser scanning Quality criteria
2018/6/4
Terrestrial and airborne laser scanning, photogrammetry and more generally 3D recording techniques are used in a wide range of applications. After recording several individual 3D datasets known in loc...
Generation of 1500-tone, 120nm-wide Ultraflat Frequency Comb by Single CW Source
Generation of 1500-tone 120 nm-wide Ultraflat Frequency Comb Single CW Source
2014/11/6
Dense 1500-tone frequency comb is derived from a single CW laser. Sub-2dB flatness was measured over 120 nm, with 40 dB optical signal-to-noise-ratio. The new generator uses regenerative shock formati...
Surveying and mapping a cave using 3d laser scanner: the open challenge with free and open source software
Survey 3D laser scanner Open source software Cave Point clouds Mesh
2014/7/30
The present work is part of a series of activities involving different skills, in order to explore and document in detail one of the most visited caves in Liguria Region. In this context, in addition ...
This investigation proposes and experimentally demonstrates an optical code-division multiple-access (OCDMA) light source using a directly modulated Fabry–Pérot laser diode in an external injection sc...
Generation of Stable and High-Quality Multicarrier Source Based on Re-circulating Frequency Shifter for Tb/s Optical Transmission
Fiber optics communications Frequency modulation
2015/5/25
We theoretically and experimentally study the impact of implementation imperfections on the quality of multicarrier sources generated by re-circulating frequency shifting. Based on an optimized design...
Pulsed Fiber-MOPA source operating at 1550 nm with pulse distortion pre-compensation
Pulsed Fiber-MOPA source operating pulse distortio pre-compensation
2015/5/20
In this paper we present a diode-seeded pulsed Fiber-MOPA source operating in the telecommunication band with pulse distortion pre-compensation using arbitrary shaped input pulses. 100 ns long flat-to...
Reduction of Back-Reflection induced Power Penalty by means of Coherent Seeding Source with Optical Feedback in a Loop-Back WDM-PON
Networks Optical communication
2015/5/20
We proposed a novel method to implement the coherent seeding source using optical feedback and experimentally demonstrated the feasibility of our seed light under various back reflection levels in a l...
7×10-Gbit/s All-optical Wavelength Multicast based on Cross-gain Modulation and Cascaded Four-wave Mixing Effects in an SOA Using Single Pump Laser Source
All-optical Wavelength Cross-gain Modulation Cascaded Four-wave Mixing
2015/5/15
By combining XGM, and cascaded FWM effects in an SOA, seven multicast channels with 100-GHz spacing are demonstrated using single pump laser source. The power penalty of these multicast channels is le...
44-Gb/s/ Upstream OFDMA-PON Transmission with Polarization- Insensitive Source-Free ONUs
Fiber optics communications Modulation
2015/6/9
For the first time, we demonstrate colorless 44-Gb/s/ upstream OFDMA-PON transmission with polarization-insensitive, source-free ONUs. Superior performance is reported over 20 km SSMF plus 1:3...
Low phase noise laser source packaged in a low power consumption module for all optical sampling applications
Mode-Locked Lasers Semiconductor Lasers
2015/6/9
Using low power consumption photonic modules containing a low timing jitter optical laser source and an optical gate, we demonstrated potential all-optical sampling of a radio signal carried at >5GHz ...
Widely-Tunable, Multi-Wavelength Short Wave Infrared Light Source based on Fiber Optical Parametric Oscillator
Parametric oscillators amplifiers Lasers fiber
2015/6/8
We demonstrate a fiber-optical-parametric-oscillator-based multi-wavelength pulse source operating at 1.9 μm. Multiple time- and wavelength-distinct pulse seeds were used to cover wavelength range fro...
In-Service Chromatic Dispersion and Pass-Band Shape Measurements for Light Path with Modulated ASE Source
Networks wavelength routing Fiber measurement
2015/6/5
A tunable modulated broadband source and narrow-bandwidth filter are used to measure chromatic dispersion, group-delay ripple, and pass-band shape of DWDM-network light paths. This new method is simpl...
The paper is focused on the study of two-dimensional magnetic field distribution used for
the analysis of the samples containing magnetically active films by means of dark mode
spectroscopy (DMS). T...
Experimental demonstration of a centralized light source OCDMA-PON based on polariza tion multiplexing
Optical Code Division Multiple Access (OCDMA) passive optical network (PON) polarization access network
2016/12/2
A novel centralized light source OCDMA PON without wavelength filters is proposed and experimentally demonstrated. The OCDMA coded signals and the unmodulated clock pulses are polarization-multiplexed...