Passively Qswitched Nd3yvo4 Laser System For Selfilluminated And Selfsynchronized Upconversion Of Images

• doi: 10.1109/CLEOE-EQEC.2019.8872604
• title: Passively Q-Switched Nd3+:YVO4 Laser System for Self-Illuminated and Self-Synchronized Up-Conversion of Images
• publisher: IEEE
• isbn: 978-1-7281-0470-6
• issn:
• rank: 3227
• access_type: LOCKED
• content_type: Conferences
• abstract: Nonlinear image up-conversion is a useful technique to transfer images from those spectral regions where sensors are not well-developed or suffer severe limitations to the visible spectrum where silicon-based focal plane array sensors, such as CCD or CMOS cameras, are widespread, well-developed and affordable. Although silicon sensor technology stands out for fast and low noise operation at room temperature while offering good resolution, there is still a need to further improve the up-conversion efficiency. For this aim, image up-conversion is combined with different alternatives to overcome efficiency limitations by the use of high gain detection of up-converted images with intensifier tubes or EMCCDs, or by intra-cavity continuous-wave (CW) up-conversion with periodically poled ferroelectric crystals inside the laser cavity where the sum frequency mixing takes place [1]. Also, synchronously pulsed up-conversion has been exploited to enhance conversion efficiency significantly by high peak power pulses [2], as well as contributing to the reduction of the background noise. However, pulse synchronization based on active Q-Switching adds some complexity and cost to these systems, since accurate delay control and low jitter is required to maximize the temporal overlap between pump and illumination pulses in the nonlinear medium. In this context, the passive Q-Switched system we propose provides a simple and effective solution for short-range image up-conversion systems, because timing jitter of even nanoseconds is not a concern in our system. This configuration is particularly suited for handheld self-illuminated up-conversion systems recently proposed in [3], where IR-illuminated targets are up-converted to the second harmonic (SH) inside the same laser used for illumination.
• article_number: 8872604
• pdf_url: https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=8872604
• html_url: https://ieeexplore.ieee.org/document/8872604/
• abstract_url: https://ieeexplore.ieee.org/document/8872604/
• publication_title: 2019 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC)
• conference_location: Munich, Germany
• conference_dates: 23-27 June 2019
• publication_number: 8850908
• is_number: 8871430
• publication_year: 2019
• publication_date: 23-27 June 2019
• start_page: 1
• end_page: 1
• citing_paper_count: 1
• citing_patent_count: 0
• download_count: 43
• insert_date: 20191017
• index_terms:
  • ieee_terms:
    • Lighting
    • Lenses
    • CMOS image sensors
    • Sensor arrays
    • Crystals
    • Frequency conversion
  • dynamic_index_terms:
    • Focal Plane
    • Back Focal Plane
    • Spectral Region
    • Use Of Detection
    • Utility Of Detection
    • Pump Pulse
    • Saturable Absorber
    • Timing Jitter
    • Nonlinear Medium
    • Pulsed Illumination
    • High-power Pulse
    • Low Jitter
• isbn_formats:
  • format: Print on Demand(PoD) ISBN, value: 978-1-7281-0470-6, isbnType: New-2005
  • format: Electronic ISBN, value: 978-1-7281-0469-0, isbnType: New-2005
• authors:
  • Author Name: A. J. Torregrosa
    Affiliation: Dpto. de Ingeniería de Comunicaciones, Universidad Miguel Hernández, Elche, Spain
    Author URL: https://ieeexplore.ieee.org/author/37394801000
    ID: 37394801000
    Order: 1
    Author Affiliations:
    • Dpto. de Ingeniería de Comunicaciones, Universidad Miguel Hernández, Elche, Spain
  • Author Name: H. Maestre
    Affiliation: Dpto. de Ingeniería de Comunicaciones, Universidad Miguel Hernández, Elche, Spain
    Author URL: https://ieeexplore.ieee.org/author/37394802000
    ID: 37394802000
    Order: 2
    Author Affiliations:
    • Dpto. de Ingeniería de Comunicaciones, Universidad Miguel Hernández, Elche, Spain
  • Author Name: M. L. Rico
    Affiliation: Dpto.de Tecnología Informática y Computación, Universidad de Alicante, San Vicente del Raspeig, Spain
    Author URL: https://ieeexplore.ieee.org/author/37271099700
    ID: 37271099700
    Order: 3
    Author Affiliations:
    • Dpto.de Tecnología Informática y Computación, Universidad de Alicante, San Vicente del Raspeig, Spain
  • Author Name: J. Capmany
    Affiliation: Dpto. de Ingeniería de Comunicaciones, Universidad Miguel Hernández, Elche, Spain
    Author URL: https://ieeexplore.ieee.org/author/37277073700
    ID: 37277073700
    Order: 4
    Author Affiliations:
    • Dpto. de Ingeniería de Comunicaciones, Universidad Miguel Hernández, Elche, Spain

Image Sensor

• sensor_type: CMOS
• resolution: Not specified
• dynamic_range: Not specified
• pixel_size: Not specified
• dark_current: Not specified

Optical Data

• focal_length: Not specified
• aperture: Not specified
• field_of_view: Not specified
• distortion: Not specified

Performance Metrics

Applications & Benefits

• cell_imaging: Not specified
• benefits: Enables digital imaging in a variety of applications such as smartphones, medical devices, and automotive systems.

Supporting Organizations

• supported_by: Not specified

Manuscript Details

• publication_date: 23-27 June 2019

Relevancy Score

• score: 5
• missing_fields:
  • resolution
  • dynamic_range
  • pixel_size
  • dark_current
  • focal_length
  • aperture
  • field_of_view
  • distortion
  • frame_rate
  • signal_to_noise_ratio
  • sensitivity
  • shutter_speed
  • power_consumption
  • noise
  • cell_imaging
  • supported_by
  • publication_date

Processed JSON Filename

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