1. Acoustic waveguide plate

2. The structure comprises an active waveguide layer formed on a passive waveguide layer.

3. High power waveguide absorption modulator

4. Controlled acoustic waveguide for soundproofing

5. A system (100) for selectively adiabatically coupling electromagnetic waves from one waveguide to another waveguide is described.

6. Waveguide absorption modulator with integral optical isolator

7. The coupling of the optical signal from the silicon waveguide to the glass waveguide is adiabatic in a preferred embodiment.

8. Waveguide for efficient light trapping and absorption

9. Receiving band stop filter integrated transmitter waveguide

10. Electrodynamic transducer including an acoustic waveguide ensuring heat dissipation

11. Novel electron acceptors for polymeric thin film waveguide media

12. The switch module (10) in turn comprises a two-dimensional waveguide array and a number of waveguide grating-based wavelength selective switches (130).

13. Erbium can also be used in erbium-doped waveguide amplifiers.

14. Method for measuring the frequency characteristics of a passive quadripole in a waveguide

15. The electrooptic structure may include a waveguide having a propagation axis.

16. The lower portion of the grid array is grounded to the adjacent waveguide.

17. An Arrayed waveguide grating (AWG) is a generalization of the Mach-Zehnder interferometer

18. The Cascaded waveguide array indeed works as a superlens for subdiffraction imaging

19. The measurements are carried out using an unchanged wave type, while the position of the quadripole relative to the longitudinal axis of the equivalent waveguide is identical to that in the primary waveguide.

20. We have designed a contactless measurement apparatus by a microwave dielectric waveguide reflection method.

21. An excitation device is operable to ultrasonically excite the ultrasonic waveguide and the agitating member.

22. The optical waveguide has a combination (141, 142) of adjacent cores having the same structure.

23. The acoustic field of the acoustic waveguide is determined from the PE model.

24. Additionally, the sensor waveguide includes a light-absorbing medium having an input side.

25. A waveguide may extend through the shaft and may be acoustically coupled to the ultrasonic blade.

26. In addition, the suspension mechanism (2) is used to contain the waveguide thereby avoiding extraneous noise.

27. In this paper a segmentation technique, based on hybrid (admittance and impedance) matrix representations, is proposed for the efficient and accurate analysis of rectangular waveguide multi-port junctions with arbitrarily shaped waveguide access ports.

28. The fiber optical waveguide is Birefringent in area of the fiber-Bragg-grating, which is spaced together

29. Using waveguide as input port, inside the waveguide we adopt a double antipodal fin-line transition, by adding tray and E-T junction, we can adjust the amount of the branches to get more power output.

30. The active waveguide has an asymmetrical taper, formed by a diagonal etch across the active layer during fabrication.

31. In order to carry out measurements at another measuring frequency selected in a predetermined frequency range, the passive quadripole under test is arranged in an equivalent waveguide having the same wave resistance as the primary waveguide.

32. The Buriable Waveguide can also be used portably in light-duty applications and where space is limited.

33. The geometry of the Azimuthally propagating, truncated, coaxial waveguide transmission line is shown in Figure 2

34. 7 The propagating properties of anti resonant reflecting optical waveguide ( ARROW ) are different from conventional ones.

35. Alternatively, the probe (50) rotates independent of the moveable waveguide (20) to adjust for transmit polarity.

36. Arrayed waveguide gratings (AWG) are commonly used as optical (de)multiplexers in wavelength division multiplexed (WDM) systems

37. 13'-4"H x 24"W x 10'L Buriable 2-Post Waveguide Bridge Kit Talley Inc

38. A tapered waveguide section (8) extends from the near field facet to transform the fundamental optical mode.

39. These waveguides may also be electrically biased to alter the index of refraction and/or absorption of the waveguide.

40. The cutoff wavelength of the rectangular coaxial waveguide in the coupling region is calculated by boundary element method.

41. The present invention is characterized by a transmitter waveguide that includes: a band stop filter that allows only a desired form of signal waveforms to pass through a waveguide for transmitting high frequency signals and filters an undesired form of signal waveforms.

42. Modulated reflection method is used in general for measuring phase lengths of waveguide net-work in construction of electron linear accelerators.

43. The cutoff wavelength of ridge waveguide is very closed to the ridge position. It can be changed by changing the ridge position.

44. A new technology for fabrication of silica on silicon arrayed waveguide grating (AWG) based on deep etching and thermal oxidation is presented.

45. 13'-4"H x 12"W x 10'L Buriable 2-Post Waveguide Bridge Kit Talley Inc

46. Cable to waveguide transition apparatus having signal accumulation form of backshort and active phase shifting system using the same

47. The region between Earth's surface and the ionospheric D-layer behaves thus like a waveguide for VLF- and ELF-waves.

48. The active optical waveguide is doped with ions of transition metals or metals from the groups of Lanthanides or Actinides.

49. Waveguide Attenuator: An Attenuator is a passive device that is used to reduce the strength or amplitude of a signal

50. The waveguide core includes an attenuating segment thereof, and the absorptive layer is formed near the attenuating segment of the core.

51. The present invention relates to an external cavity tunable laser module by the thermo-optic effect of a semiconductor optical waveguide.

52. In addition, a prism (112) can be located in the large hollow core of the waveguide and aligned with the optical tap (108).

53. The longwave electromagnetic propagation of sferics takes place within the Earth-ionosphere waveguide between the Earth's surface and the ionospheric D- and E- layers.

54. With the slowdown in world economic growth, the Arrayed Waveguide Grating (AWG) Devices industry has also suffered a certain impact, but still maintained a relatively optimistic growth, the past four years, Arrayed Waveguide Grating (AWG) Devices market size to maintain the average annual growth rate of 15 from a few million $ in 2014 to more

55. The photonic IC can include passive waveguide structures with a first coupling section that interfaces to the flat surface of a corresponding optical fiber (for evanescent coupling of optical signals) and a second coupling section that interfaces to a corresponding in-plane waveguide (for adiabatic spot-size conversion of optical signals).

56. 26 A new technology for fabrication of silica on silicon arrayed waveguide grating (AWG) based on deep etching and thermal oxidation is presented.

57. Discussed then are the superluminal and negative group velocities which are in the state of evanescent waves in the waveguide below-cutoff (WBCO).

58. The invention discloses a microwave oven with a microwave homodisperse structure, mainly comprising an oven body and a waveguide tube fixed on the oven body. Sentencedict.com

59. Finally, the reflection coefficients and the normalized admittance of the slot on the waveguide for TE_ mode are calculated using the reciprocity theorem.

60. The osteotome (1) is dimensioned such that a first Antinode (5) of the ultrasonic vibrations is located at a proximal end of the waveguide (2), a second Antinode (7) is located at the distal tip of the blade (3) and a node (6) is located where the waveguide (2) and blade (3) meet.

61. The expression of mutual impedance between two probes in a circular waveguide is derived by means of a vector potential function, reaction concept and reciprocity theorem.

62. All dropped channels are reflected for repropagation along the main optical waveguide while the tunable transmission filter is tuned between first and second select channels.

63. Such an active waveguide acts as a phase shifter in monomode operation as a consequence of the tunable capacitive coupling afforded by the 3D lattice.

64. Optical mode is shifted away from high acceptor concentrations in p-type layers through manipulation of indium concentration and thickness of the n-side waveguide layer.

65. The 6005L2 Buriable Waveguide is designed to be installed permanently in the soil, and allows measurements to be made at any depth in the soil profile

66. Bandpass filters for RF from Pasternack come with SMA connectors or waveguide flanges and have a broad range of frequency capabilities depending on type and style

67. In this paper, we present a hybrid bistable optical device based on acoustooptic TE–TM mode conversion in an optical waveguide made of sputtered Ta2O5 on a glass substrate.

68. 13 The performance of the optical splitter has verified the effectiveness of the proposed Y-branch architecture and the successfulness of the field-assisted ion-exchange glass waveguide technique.

69. Tuning of guiding properties of electromagnetic waves is induced by a reflectivity modulation of waveguide walls by means of active electronic devices inserted in the 2D lattice.

70. The latter is produced by a synchronous twisting of the optical waveguide strips around their longitudinal axis, whereby the angle of twist is equal to 360° per SZ length of lay.

71. 25 Based on the model of cylindrical waveguide coated with lossy conductor on its inner surface, the effects of the coated layer on the propagation characteristic of electromagnetic wave are studied.

72. The insertion of an inner rod into the waveguide can rarefy the spectrum of the competing modes in the vicinity of the operating mode and restrict the mode competing effectively.

73. The invention concerns a surface wave component having low impedance and suppressed interfering waveguide modes with an acoustic total track split into acoustic partial tracks (6, 7) operated in phase opposition.

74. Calmer removes resonance from within our ears as it acts like a mini waveguide and channels sound into our ears without it bouncing around the concha (shell-like part of our ear)

75. Known free space microscopy technique can be adapted to endoscopy with multimode waveguide, such as, but not limited to, fluorescence imaging or Raman spectros¬ copy or imaging, 3D linear scattering imaging or two-photon imaging.

76. A voltage within the approximate range of 4-20 kV relative to the waveguide housing is applied to the cathodes (14, 16) to produce electron beams with current densities of at least about 1 amp/cm?

77. MS THESIS DEFENSE BY ONGUN Arisev ***** Title: Plasmonic Stripe Waveguide Coupler with Integrated Wavelength Division Multiplexer Speaker: Ongun Arısev Time: May 16, 2017, 9:00 Place: ENG 208 Koç University Rumeli Feneri Yolu Sarıyer, Istanbul

78. An integrated optic polarization converter includes a plurality of core layers used to approximate a gradually twisted waveguide and therein adiabatically transform a propagating mode from an initial polarization state to a different final polarization state.

79. There is disclosed an acoustic driver having a phasing and compression plug and its direct coupling to an acoustic waveguide having an entry throat with a non-unity aspect ratio, such as a rectangular diffraction slot.

80. This invention essentially relates to a method for measuring the frequency characteristics of a passive quadripole, wherein the passive quadripole under test is arranged in a primary waveguide in a given position relative to the longitudinal axis.