Multiphoton microscopy (MPM) is a powerful imaging technique widely used in biological and biomedical research. Unlike traditional fluorescence microscopy, which uses single-photon excitation, MPM employs multiple photons to excite a fluorescent molecule. One of the biggest challenges to the widespread adoption of multiphoton microscopy is finding a suitable light source for efficient fluorophore excitation.  To reach the high peak power needed for nonlinear optical processes, femtosecond mode-locked lasers are used.

Ultrafast lasers are crucial for precise material processing in electronics, automotive parts, and medical components, offering high peak power and precise cold ablation machining capabilities. Their design prioritizes quality components to ensure cost-effectiveness and robust performance in 24/7 manufacturing environments. Chirped-pulse amplification boosts pulse energies to meet advanced manufacturing needs beyond what mode-locked oscillators alone can provide.

by MA Elorrieta · 2021 · Cited by 5 — It is common practice to test the optical properties of photomultiplier tubes (PMTs) by illuminating the entire photocathode region from the ...

Construction began in August 2020 and was completed in September 2020. The existing concrete sidewalk has been reconstructed using porous pavers over a permeable sub-base instead of concrete, allowing stormwater to be retained on site and slowly filter through, thereby reducing the flow of water into storm sewers. This captured stormwater is used as a resource for passive irrigation of the adjacent planting area along the curb, improving plant health and reducing the need for manual watering. Plants selected are resilient hardy species resistant to shade, wind, and salt, while adding to the biodiversity of the corridor. The intersection corner at Bonnycastle St. was rebuilt in an enhanced concrete finish with exposed granite aggregate and a decorative sawcut pattern which is to highlight pedestrian areas at intersections across the Lake Shore Blvd. streetscape.

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Toronto’s exponential growth over the past decade has increased demands for more walking and cycling facilities, and green and open spaces. To help address these needs in one of the most challenging areas beneath the F.G. Gardiner Expressway, the City of Toronto and Waterfront Toronto have completed a Public Realm Phasing and Implementation Plan for Lake Shore Boulevard East from Jarvis Street to Logan Avenue. This Plan was submitted to and acknowledged by the Ministry of Environment, Conservation and Parks in July 2020.

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Jun 26, 2023 — Spherical mirrors are of two types, Concave mirrors, and Convex mirrors, depending on the reflecting surface. Concave mirrors form real and ...

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In addition to the Quick Starts, private development frontages along Lake Shore Blvd. East will follow the streetscape design in the Public Realm Plan to ensure consistency across the corridor.

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Developed in consultation with a wide range of stakeholders, this Public Realm Plan serves as a guiding framework to City divisions and other public and private agencies as development takes place. It will be implemented in various phases from 2020 to 2026, with the Cherry St. to Don River segment following Gardiner reconfiguration works, and the Jarvis St. to Cherry St. section in concert with scheduled infrastructure works and coordinated with major projects in the area, including the Union Station Rail Corridor expansion. Opportunities to advance implementation of the public realm are also currently under consideration, including as part of the implementation of the new Lake Shore Boulevard Bridge over the Don River, anticipated to begin in mid-2021 and end in 2024.

The pilot will be monitored and evaluated by the Sustainable Technology Evaluation Program (STEP) for one year to evaluate how well these materials improve the sustainability of street plantings and management of stormwater, as well as their durability and maintenance requirements. The results of this pilot project will inform the detailed design of the full scope of Lake Shore Boulevard East. The monitoring findings will also inform the City of Toronto’s Green Streets program, contributing to the development of design standards, as well as operations and maintenance practices to facilitate broader implementation of Green Streets projects.

Early on, TeraXion recognized the emerging importance of ultrafast lasers also known as ultrashort pulse lasers for industrial and medical applications. To address this need, TeraXion has developed a line of high-quality pulse stretchers and dispersion management reflectors that are robust, cost-effective, and versatile.

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The Plan will be funded through the City's 10-Year Capital Budget for Gardiner-Lake Shore Blvd. rehabilitation, and implemented incrementally in coordination with adjacent projects and development. Over time, the Lake Shore Boulevard East Public Realm Vision, Phasing and Implementation Plan will create improved connectivity to the waterfront, including safer intersections and trails for cyclists and pedestrians, new linear planted landscapes, enhanced sidewalks, and opportunities for public art.

For information on the current construction on Lake Shore Boulevard East, between Cherry Street and Carlaw Avenue, please visit the PortLandsTO project website. To learn more about the Gardiner Expressway & Lake Shore Boulevard East Reconfiguration Project, please visit the City of Toronto's webpage.

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Ultrafast fiber lasers are also increasingly being used in new and emerging applications such as biomedical microscopy and imaging, spectroscopy and for advanced scientific research.

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The first Quick Start implemented in 2020 involves a section of sidewalk along the south side of Lake Shore Boulevard from Sherbourne Common to 12 Bonnycastle Street. The project will test new permeable paving and subbase materials, planting and passive irrigation to advance Green Street standards in the city and inform the detailed design of the Lake Shore Public Realm. It will evaluate how innovative materials and passive irrigation design can achieve low-impact development (LID). That means implementing systems that use natural processes to capture stormwater and filter it through the landscape instead of letting it run off untreated into Lake Ontario and the Don River.

Most industrial pico- and femtosecond laser systems utilize mode-locking to generate ultrashort pulses. The challenge with mode-locking is that the process requires a broad frequency band, but all the different wavelengths must maintain a defined phase relation as the pulse propagates within the cavity. TeraXion’s all-fiber dispersion-management reflectors provide precise control over the chromatic dispersion within the laser cavity, ensuring stable and short pulses.

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The Rayleigh length is the distance (from the waist) where the beam area is twice the beam area at the waist (the radius is times bigger). This parameter is ...

Given the long-range schedule for implementing the Plan, a series of representative public realm improvements or "Quick Starts" are to be implemented earlier to signal the coming changes to Lake Shore Boulevard East. Ten proposed Quick Starts have been identified, with four expected to be implemented in the next 2-3 years, subject to coordination with other adjacent projects, as shown in the Map below. The remaining projects will be implemented based on available funding and coordination with other projects in the area.

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The Public Realm Plan provides a cohesive vision for nearly three kilometres of the Lake Shore Boulevard corridor beneath the elevated Gardiner Expressway.  Features of the Public Realm Plan, prepared by Dillon Consulting Ltd. and West8 Urban Design and Landscape Architecture, are consistent with the City's best practices for road reconstruction projects, including the Vision Zero Road Safety Plan. The vision includes streetscape and intersection improvements, traffic calming measures such as narrower vehicular lanes and slower speed limits, separated cycling and pedestrian trails, and seasonal plantings supported by stormwater and Gardiner Expressway run-off. These features will enhance the comfort and safety of road users and are in keeping with City of Toronto Green Streets Technical Guidelines.

Ultrashort pulse amplification is challenging because even low-energy pulses exhibit sufficient peak power to damage the amplifier. Stretching the pulse over time reduces its peak power and allows for optimal amplification without distortion—further stretching enables higher amplification. Recompressing the pulse following amplification returns it to its original ultrashort duration with significantly increased peak power—often in the gigawatt range. TeraXion’s line of ultrafast laser components maximizes both performance and cost effectiveness. These products include fixed and tunable pulse stretchers as well as stretcher+compressor matched pairs.

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We’re planning improvements along Lake Shore Boulevard between Jarvis Street and Logan Avenue. This will include enhanced sidewalks, a new bi-directional cycling trail on the north side of the street and additional planting.

City Council directed completion of a public realm improvement plan for the Lake Shore Boulevard East corridor in 2015 and 2016 as part of deliberations on the future of the Gardiner Expressway. Council's objectives are to rebalance the modes of travel through the corridor, and to improve connectivity between the city and Lake Ontario. In approving the Gardiner East Environmental Assessment (Gardiner EA) in 2017, the Ministry of Environment, Conservation and Parks also underscored the need for a Public Realm Plan. This Public Realm Plan and its posting on City of Toronto and Waterfront Toronto websites satisfy Conditions #3 and #8 of the Ministry's November 2017 Notice of Approval to Proceed with the undertaking of the Gardiner East Environmental Assessment.

Terahertz radiation possesses unique properties, such as the ability to penetrate various non-conductive materials like plastics, fabrics, and biological tissues, without causing ionization.  The success of deploying THz technologies heavily depends on the availability of compact, efficient, and affordable THz sources. Femtosecond lasers are crucial tools for generating terahertz (THz) radiation due to their ability to produce extremely short, high-intensity pulses.

External IR Reflector - External Infrared Reflector is designed to improve night vision capabilities of IR sensitive security cameras, especially Jablocom ...