Customization Process for Low-Noise Optical Power Dividers for Oil Pipeline Monitoring

Gas pipeline leak noise measurements using optical fibre distributed

Optical fibre technology offers the possibility of continuous acoustic monitoring of pipelines and remote detection of leaks. In this paper we present results from gas leak measurements made

Multi-Parameter Fiber Optic Monitoring for Oil and Gas Pipelines

Opportunity Monitoring the integrity of pipelines, power grids and other range, and typically measure only a single parameter at a time. To address this need, the U.S. Department of Energy''s National

A low insertion loss, wideband and compact Wilkinson power divider

In this article, a new design of a Wilkinson power divider is presented that offers substantially improved amplitude and reduced size characteristics over a broad frequency range

Three-dimensional multiway power dividers based on transformation optics

Although microstrip-based power dividers have been widely investi-gated, several inevitable disadvantages of the low power mode and large insertion loss operating at high frequency still exist

Feature Extraction and Identification in Distributed Optical-Fiber

In this paper, feature extraction methods of wavelet decomposition (WD) and wavelet packet decomposition (WPD) are comparatively studied for three typical field testing signals, and an artificial

Performance enhancement of BOTDR fiber optic sensor for oil and

The length of oil and gas pipelines can easily exceed several hundreds of kilometers. A widespread monitoring/inspection system is needed to provide real-time, distributed information

Advances in intelligent identification of fiber-optic vibration signals

Based on the principles and characteristics of distributed fiber optic monitoring technology, this paper introduces the current research progress in identifying fiber optic vibration signals in oil

Research on adaptive denoising for oil and gas pipeline detection

These results highlight the enhanced stability and adaptability of AFDM, effectively improving the representation and integrity of defect features in oil and gas pipeline detection signals.

Design of Reconfigurable Power Dividers with Wide Tuning Ranges

Power dividers are essential components for many microwave applications in communication systems, such as antenna arrays and power amplifiers. The features of power dividers in terms of bandwidth,

Optical-to-RF Frequency Synthesis: Application Priorities for Ultra-low

Abstract We describe operational challenges and progress of optical frequency-comb dividers (OFDs) that synthesize RF signals from the optical domain. Our priorities include: (1) ultra

Low Noise Amplifiers

PriTel''s LNHPFA and LNHPFA-NMA Series of Low-Noise High Power Optical Fiber Amplifiers are designed for R&D applications in 1550 nm telecommunications, fiber lasers and optical switching.

Design and optimization of optical power splitters for optical access

The main challenges in the design of Y-branch optical splitters are the asymmetric split-ting ratio, (non-uniformity of splitting power), and the large size of the splitter structure. These parameters define the

Compact Wilkinson power divider with extensive suppression of

A low pass filtering power divider (LPFPD) with good isolation and extensive suppression of harmonics has been presented. In the design of the Wilkinson power divider, a new structure has

Optimal Design of Wideband Filtering Power Divider With Simple

This work presents a novel filtering power divider with enhanced second harmonic suppression, wide bandwidth, and good frequency selectivity compared to conventional power

Enhancing oil and gas pipeline monitoring with custom

For one company developing a pipeline monitoring sensor, the customisation and SWIR operation were particularly critical. They required optical filters with specific