摘要:
A source arrangement for providing an electromagnetic radiation comprises at least one laser gain medium (2) providing the electromagnetic radiation. The arrangement further comprises at least one spectral separating first arrangement (4, 16; 4') configured to physically separate one or more components of the electromagnetic radiation based on a frequency of the electromagnetic radiation. The arrangement further comprises a second arrangement (20, 22) configured to receive at least some of the one or more components, and modify at least one characteristic of the received one or more components to forward at least one signal which is associated with one or more further components of the electromagnetic radiation. The arrangement further comprises at least one continuously rotating optical third arrangement (24) configured to receive the at least one signal. The arrangement further comprises at least one beam selecting fourth arrangement (10) configured to receive the at least one signal, wherein the first, second, third and fourth arrangements form a configuration that varies a mean frequency of the at least one signal over time.
摘要:
An apparatus for filtering an electromagnetic radiation, comprises at least one spectral separating arrangement (4, 16; 4') configured to angularly separate one or more components of the electromagnetic radiation based on a frequency of the electromagnetic radiation. The apparatus further comprises at least one angularly deflecting optical arrangement (24) that includes a pivot point, and configured to receive the one or more components of the electromagnetic radiation to generate at least one signal associated with the one or more components. The apparatus further comprises at least one optical imaging arrangement (20, 22) configured to receive the one or more components of the electromagnetic radiation, and generate an image of one or more dispersive elements in communication with the one or more components. The apparatus further comprises at least one beam selecting arrangement (10) adapted to receive the at least one signal, and selectively generate at least one selected signal. A position of the pivot point is provided in a proximity of a virtual image of at least one of the dispersive elements.
摘要:
An apparatus comprises at least one first arrangement which provides first and second electromagnetic radiations to a sample and to a reference respectively, wherein the frequency of radiation provided by the first arrangement varies over time. The apparatus also comprises at least one second arrangement which detects interference between the first and second electromagnetic radiations. The apparatus also comprises at least one spectral separating arrangement (4) configured to physically separate components of the first and second electromagnetic radiations based on the frequency of the electromagnetic radiation. The apparatus further comprises a further arrangement which is configured to receive some of the components, and modify at least one characteristic of the received components to forward at least one signal which is associated with further components of the electromagnetic radiation. The apparatus also further comprises at least one continuously rotating optical arrangement (24) and at least one beam selecting arrangement which are configured to receive the at least one signal.
摘要:
An apparatus and source arrangement for filtering an electromagnetic radiation can be provided which may include at least one spectral separating arrangement (200) configured to physically separate one or more components (320, 340) of the electromagnetic radiation based on a frequency of the electromagnetic radiation. The apparatus and source arrangement may also have at least one continuously rotating optical arrangement, e.g., a spinning reflector disk scanner (500), which is configured to receive at least one signal that is associated with the one or more components (320, 340). Further, the apparatus and source arrangement can include at least one beam selecting arrangement configured to receive the signal. Rotating disk (500) may comprise reflecting patterns (520) to generate a wavelength scan depending on the rotation frequency of the disk (500).
摘要:
An apparatus for filtering an electromagnetic radiation, comprises at least one spectral separating arrangement (4, 16; 4') configured to angularly separate one or more components of the electromagnetic radiation based on a frequency of the electromagnetic radiation. The apparatus further comprises at least one angularly deflecting optical arrangement (24) that includes a pivot point, and configured to receive the one or more components of the electromagnetic radiation to generate at least one signal associated with the one or more components. The apparatus further comprises at least one optical imaging arrangement (20, 22) configured to receive the one or more components of the electromagnetic radiation, and generate an image of one or more dispersive elements in communication with the one or more components. The apparatus further comprises at least one beam selecting arrangement (10) adapted to receive the at least one signal, and selectively generate at least one selected signal. A position of the pivot point is provided in a proximity of a real image of at least one of the dispersive elements.
摘要:
An apparatus for filtering an electromagnetic radiation comprises at least one dispersive arrangement (4, 16; 4') configured to angularly separate components of the electromagnetic radiation based on a frequency of the electromagnetic radiation, and generate frequency-separated components. The apparatus further comprises at least one angularly deflecting optical element (24) having a pivot point of an angular deflection. The at least one angularly deflecting optical element has a configuration causing the pivot point thereof to substantially overlap a location where substantially all of the frequency-separated components overlap.
摘要:
An apparatus comprises an arrangement (1) emitting an electromagnetic radiation. The arrangement has a configuration that causes a modification of a mean frequency of a spectrum of the electromagnetic radiation substantially continuously over time at a tuning speed that is greater than 100 terahertz per millisecond. The apparatus further comprises a laser cavity with a roundtrip length shorter than 5 m which receives the electromagnetic radiation.
摘要:
A source arrangement for providing an electromagnetic radiation comprises at least one laser gain medium (2) providing the electromagnetic radiation. The arrangement further comprises at least one spectral separating first arrangement (4, 16; 4') configured to angularly separate one or more components of the electromagnetic radiation based on a frequency of the electromagnetic radiation. The arrangement further comprises at least one angularly deflecting optical second arrangement (24) that includes a pivot point, and is configured to receive the one or more components of the electromagnetic radiation to generate at least one signal associated with the one or more components. The arrangement further comprises at least one optical imaging third arrangement (20, 22) configured to directly receive from the spectral separating arrangement the one or more components of the electromagnetic radiation, and generate an image of one or more dispersive elements associated with the one or more component toward the deflecting optical arrangement. The first, second and third arrangements form a configuration that varies a mean frequency of the at least one signal over time.