1. Benjamin R. Biedermann

    0 Comments Leave a Comment

    1-15 of 28 1 2 »
    1. Mentioned In 28 Articles

    2. Dynamical Fabry-Perot tuneable filter device

      Dynamical Fabry-Perot tuneable filter device
      A Fabry-Perot tuneable filter device is described with reflecting elements separated by an optical path length to form an optical resonator cavity. A first actuator means is directly or indirectly coupled with a first reflecting element. And the first actuator means is configured to modulate the optical path length between first and second reflecting elements by a modulation amplitude to thereby sweep the optical resonator cavity through a band of ...
      Read Full Article
    3. Picosecond pulses from wavelength-swept continuous-wave Fourier domain mode-locked lasers

      Picosecond pulses from wavelength-swept continuous-wave Fourier domain mode-locked lasers
      Ultrafast lasers have a crucial function in many fields of science; however, up to now, high-energy pulses directly from compact, efficient and low-power semiconductor lasers are not available. Therefore, we introduce a new approach based on temporal compression of the continuous-wave, wavelength-swept output of Fourier domain mode-locked lasers, where a narrowband optical filter is tuned synchronously to the round-trip time of light in a kilometre-long laser cavity. So far, these ...
      Read Full Article
    4. Retinal polarization-sensitive optical coherence tomography at 1060 nm with 350 kHz A-scan rate using an Fourier domain mode locked laser

      Retinal polarization-sensitive optical coherence tomography at 1060 nm with 350 kHz A-scan rate using an Fourier domain mode locked laser
      We present a novel, high-speed, polarization-sensitive, optical coherence tomography set-up for retinal imaging operating at a central wavelength of 1060 nm which was tested for in vivo imaging in healthy human volunteers. We use the system in combination with a Fourier domain mode locked laser with active spectral shaping which enables the use of forward and backward sweep in order to double the imaging speed without a buffering stage. With ...
      Read Full Article
    5. Wavelength-tunable light source

      Wavelength-tunable light source
      In at least one embodiment of the wavelength-tunable light source, it comprises an output source, which is capable in operation of generating electromagnetic radiation. Furthermore, the light source has a wavelength-selective first filter element, which is situated downstream from the output source. Moreover, the light source contains a first amplifier medium, which is situated downstream from the first filter element and is capable of at least partial amplification of the ...
      Read Full Article
    6. High-speed polarization-sensitive OCT at 1060 nm using a Fourier domain mode-locked swept source

      High-speed polarization-sensitive OCT at 1060 nm using a Fourier domain mode-locked swept source
      Optical coherence tomography (OCT) in the 1060nm range is interesting for in vivo imaging of the human posterior eye segment (retina, choroid, sclera), as it permits a long penetration depth. Complementary to structural images, polarization-sensitive OCT (PS-OCT) images visualize birefringent, polarization-maintaining or depolarizing areas within the sample. This information can be used to distinguish retinal layers and structures with different polarization properties. High imaging speed is crucial for imaging ocular ...
      Read Full Article
    7. Broadband Fourier domain mode-locked laser for optical coherence tomography at 1060 nm

      Broadband Fourier domain mode-locked laser for optical coherence tomography at 1060 nm
      Optical coherence tomography (OCT) in the 1060nm range is interesting for in vivo imaging of the human posterior eye segment (retina, choroid, sclera) due to low absorption in water and deep penetration into the tissue. Rapidly tunable light sources, such as Fourier domain mode-locked (FDML) lasers, enable acquisition of densely sampled three-dimensional datasets covering a wide field of view. However, semiconductor optical amplifiers (SOAs)-the typical laser gain media for ...
      Read Full Article
    8. Feature Of The Week 9/4/11: Researchers at Ludwig-Maximilians University Continue to Blaze Trails Developing High Performance Swept Source OCT Technology and Its Application in Medical Imaging

      Feature Of The Week 9/4/11: Researchers at Ludwig-Maximilians University Continue to Blaze Trails Developing High Performance Swept Source OCT Technology and Its Application in Medical Imaging
      Researchers at Ludwig-Maximilians University continue to blaze trails in their work developing high performance swept source optical coherence tomography technology and the application of high speed frequency tuned sources in medical imaging. The Fourier-domain mode locked laser (FDML) together with tapped-delay line sweep-rate multipliers, light delivery and calibration optics, novel frame averaging and sampling techniques, wide FOV scanning technology, and high speed signal processing and visualization technology are impressive and ...
      Read Full Article
    9. 1-15 of 28 1 2 »
  1. Categories

    1. Applications:

      Art, Cardiology, Dentistry, Dermatology, Developmental Biology, Gastroenterology, Gynecology, Microscopy, NDE/NDT, Neurology, Oncology, Ophthalmology, Other Non-Medical, Otolaryngology, Pulmonology, Urology
    2. Business News:

      Acquisition, Clinical Trials, Funding, Other Business News, Partnership, Patents
    3. Technology:

      Broadband Sources, Probes, Tunable Sources
    4. Miscellaneous:

      Jobs & Studentships, Student Theses, Textbooks
  2. About Benjamin R. Biedermann

    Benjamin R. Biedermann

    Benjamin Biedermann is a Member of the BioMolecular Optics Group at the at the Ludwig Maximilian University of Munich.