1. NKT Photonics

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    1. Mentioned In 49 Articles

    2. Feature Of The Week 04/28/2019: Real-Time High-Resolution Mid-Infrared OCT

      Feature Of The Week 04/28/2019: Real-Time High-ResolutionMid-Infrared OCT
      The potential for improving the penetration depth of optical coherence tomography systems by using light sources with longer wavelengths has been known since the inception of the technique in the early 1990s. Nevertheless, the development of mid-infrared optical coherence tomography has long been challenged by the maturity and fidelity of optical components in this spectral region, resulting in slow acquisition, low sensitivity, and poor axial resolution. In this work, a ...
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    3. Supercontinuum light source comprising microstructured optical fiber

      Supercontinuum light source comprising microstructured optical fiber
      The invention relates to a microstructured optical fiber for generating supercontinuum light upon feeding of pump light. The light can be incoherent light. The microstructured optical fiber has a first section and a second section, where the first and second sections have one or more different features. The invention also relates to a supercontinuum source comprising a microstructured optical fiber according to the invention.
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      Mentions: NKT Photonics
    4. Real‐time High‐Resolution Mid‐infrared Optical Coherence Tomography

      Real‐time High‐Resolution Mid‐infrared Optical Coherence Tomography
      The potential for improving the penetration depth of optical coherence tomography systems by using increasingly longer wavelength light sources has been known since the inception of the technique in the early 1990s. Nevertheless, the development of mid‐infrared optical coherence tomography has long been challenged by the maturity and fidelity of optical components in this spectral region, resulting in slow acquisition, low sensitivity, and poor axial resolution. In this work ...
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    5. Multispectral photoacoustic microscopy and optical coherence tomography using a single supercontinuum source

      Multispectral photoacoustic microscopy and optical coherence tomography using a single supercontinuum source
      We report on the use of a single supercontinuum (SC) source for multimodal imaging. The 2-octave bandwidth (4752300 nm) makes the SC source suitable for optical coherence tomography (OCT) as well as for multispectral photoacoustic microscopy (MPAM). The IR band centered at 1310 nm is chosen for OCT to penetrate deeper into tissue with 8 mW average power on the sample. The 500840 nm band is used for MPAM. The ...
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    6. Q-switched based supercontinuum source towards low-cost ultra-high resolution optical coherence tomography

      Q-switched based supercontinuum source towards low-cost ultra-high resolution optical coherence tomography
      Supercontinuum (SC) light source is certainly one of the best option for ultra-high resolution optical coherence tomography (UHR-OCT). Over the last few years several demonstrations have been done for each commonly used wavelength range [1-2-3]. Nowadays, SC dedicated to UHR-OCT is a mature technology with turn-key commercially available system [4]. The new challenge to answer for SC source is the cost reduction one. In this study, we demonstrate that a ...
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    7. Two optical coherence tomography systems detect topical gold nanoshells in hair follicles, sweat ducts and measure epidermis

      Two optical coherence tomography systems detect topical gold nanoshells in hair follicles, sweat ducts and measure epidermis
      Optical coherence tomography (OCT) is an optical imaging technology that enables real time, high‐resolution, cross‐sectional and en face investigation of skin by detecting reflected broad‐spectrum near‐infrared light from tissue. OCT provides micron‐scale spatial resolution and millimeter‐scale depth of penetration [1]. Several commercial OCT systems with handheld probes targeted for Dermatology are now available [2].
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    8. In-vivo detection of the skin dermo-epidermal junction by ultrahigh resolution optical coherence tomography

      In-vivo detection of the skin dermo-epidermal junction by ultrahigh resolution optical coherence tomography
      The human skin is comprised by two layers; epidermis and dermis, separated by the dermo-epidermal junction (DEJ). The relevance of depicting DEJ and measurement of the epidermal thickness (ET) is e.g. seen for superficial skin cancers where delineation of DEJ is of prime prognostic importance. Another example is diagnosis of psoriasis where a thickened epidermis and a ridged DEJ is a hallmark. Histopathological examination of biopsied tissue is traditionally ...
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    9. Q-switch-pumped supercontinuum for ultra-high resolution optical coherence tomography

      Q-switch-pumped supercontinuum for ultra-high resolution optical coherence tomography
      In this Letter, we investigate the possibility of using a commercially availableQ-switch-pumped supercontinuum (QS-SC) source, operating in the kilohertz regime, for ultra-high resolution optical coherence tomography (UHR-OCT) in the 1300nm region. The QS-SC source proves to be more intrinsically stable from pulse to pulse than a mode-locked-based SC (ML-SC) source while, at the same time, is less expensive. However, its pumping rate is lower than that used in ML-SC sources ...
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    10. Supercontinuum light source

      Supercontinuum light source
      A supercontinuum light source includes a microstructured optical fiber, and a feeding unit arranged for feeding pump pulses to the microstructured optical fiber, wherein the feeding unit comprises a picosecond laser and one or more amplifiers, wherein the microstructured optical fiber is a silica fiber wherein at least a part of the core being of silica or doped silica, and including a core including core material and a cladding surrounding ...
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      Mentions: NKT Photonics
    11. A comparative study of noise in supercontinuum light sources for ultra-high resolution optical coherence tomography at 1300 nm

      A comparative study of noise in supercontinuum light sources for ultra-high resolution optical coherence tomography at 1300 nm
      Supercontinuum (SC) light is a well-established technology, which finds applications in several domains ranging from chemistry to material science and imaging systems [1-2]. More specifically, its ultra-wide optical bandwidth and high average power make it an ideal tool for Optical Coherence Tomography (OCT). Over the last 5 years, numerous examples have demonstrated its high potential [3-4] in this context. However, SC light sources present pulse-to-pulse intensity variation that can limit ...
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    12. Supercontinuum light source, a system and a method of measuring

      Supercontinuum light source, a system and a method of measuring
      A supercontinuum light source comprising an intermediate supercontinuum light source and a single mode coupling unit, an optical measurement system comprising such light source, as well as a method of measuring are described. The supercontinuum light source comprises a pulse frequency multiplier to increase the repetition rate and the single mode coupling unit is arranged to dampen and shape the spectrum from the intermediate supercontinuum light source to allow measurements ...
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      Mentions: NKT Photonics
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  2. About NKT Photonics

    NKT Photonics

    NKT Photonics A/S designs and manufactures commercial and industrial class specialty microstructured fibers and high power fiber amplifiers. The company also designs and manufactures fiber-based industrial systems such as supercontinuum lasers and ultra precise DFB fiber lasers. The mentioned products are produced under the brand names CRYSTAL FIBRE, aeroLASE™, SuperK™ and KOHERAS™. These systems are commercially deployed in material processing, bio-photonics, metrology, optical sensors, coherent communications, test and measurement, high resolution spectroscopy and LIDAR markets. NKT Photonics has its headquarters in Denmark. Sales & services offices are in the USA, Germany and France. NKT Photonics is wholly owned by the Danish industrial conglomerate NKT Holding A/S.

  3. Quotes about NKT Photonics

    1. The progression to 1 um extreme resolution imaging is an exciting advancement for our Envisu R-Class research product line...The importance of this innovation is that it offers researchers true cellular-level in vivo optical histology. This Extreme High Resolution (XHR) capability is unlocked only by the combination of Bioptigen’s patented spectrometer and signal processing technologies with the NKT Photonics SuperK supercontinuum source.
      Eric L. Buckland in Bioptigen introduces 1 µm resolution SD-OCT imaging system in collaboration with NKT Photonics supercontinuum white light laser source at ARVO conference in Seattle
    2. NKT Photonics is delighted to collaborate with Bioptigen to demonstrate the capability of our SuperK EXTREME fiber lasers integrated into high performance OCT systems
      In Bioptigen introduces 1 µm resolution SD-OCT imaging system in collaboration with NKT Photonics supercontinuum white light laser source at ARVO conference in Seattle