Showing papers in "Optics Communications in 1971"

TL;DR: In this article, a fully transparent optical component called a multiple phase hologram is inserted into a conventional optical imaging system by means of this artificial hologram, which in fact is a two-dimensional phase grating with a special groove shape.

TL;DR: In this paper, the linear and non-linear properties of AgGaS2 have been studied and the nonlinear susceptibility (d14 = 1.3 × 10-7 esu) was determined from a phase-matched SHG experiment with a CO2 laser.

TL;DR: In this article, the performance of a Fourier imaging instrument can be understood in terms of the Talbot effect (also called "Fourier imaging" or "self-imaging").

TL;DR: In this paper, the durations of ultra-short (4-7 psec) laser pulses have been directly measured with an image tube streak camera designed for time resolution in the picosecond region.

TL;DR: In this paper, small-area electroluminescent diodes have been fabricated in double-heterostructure configurations of AlxGa1-xAs/AlyGa 1-yAs/AlxGa 1 -xAs grown by liquid-phase epitaxy on a GaAs substrate.

TL;DR: In this article, the optical modes in a dielectric slab are considerably changed by replacing the metal medium on one side of the slab by a metal, and the results are in satisfactory agreement with theory.

TL;DR: In this paper, the angular dependence of the scattering spectra from motile E. Coli K12 bacteria was measured using laser light intensity correlation spectroscopy. And the swimming speed distribution of the bacteria was determined by taking appropriate integrations of the spectra.

TL;DR: In this article, the incident wave vector k is not perpendicular to the grating grooves, and the method proposed leads to two integral equations very similar to those encountered in the classical case where k is parallel to the grooves.

TL;DR: Theoretical calculation of far-infrared power spectra generated by picosecond pulses in a nonlinear optical crystal is presented in this paper, with two practical examples with a LiNbO 3 slab oriented for different phase-matching conditions.

TL;DR: In this paper, a prism positioned at a very high angle of incidence approaching 90 o in the optical cavity of a rhodamine 6-G dye laser excited by a pulsed nitrogen laser leads to improvement in linewidth reduction.

TL;DR: In this paper, the effect of granulation in laser beam projections was investigated theoretically with special regard to their efficiency in different applications, and a method of multiple scattering with several diffusers moving against each other was proposed.

TL;DR: Three methods of reducing speckle in reconstructions of image holograms are described and compared and one, the use of a moving pupil in reconstruction, has advantages in visual use.

TL;DR: In this article, the energy loss function Im(-1/ϵ) and the frequency dependent dielectric constant ϵ = ϵ1 - iϵ2 were calculated from energy loss measurements with 72 keV electron on ice at temperatures of 78°K.

TL;DR: In this paper, the authors described various configurations for the successful operation of a continuous, tunable dye laser and obtained output powers as high as 100 milliwatts using a 1.5 watt argon ion laser at 5145 A as the optical pump for the dye laser, with a tuning range from 5640 A to 6150 A.

TL;DR: In this article, an improved technique for using a Littrow-mounted diffraction grating to control the spectral characteristics of tunable lasers is reported, which employs a mirror of intermediate reflectivity between the active medium and the grating.

TL;DR: In this paper, a picosecond electro-optical streak camera was employed to measure the durations of individual pulses and the background energy content of a mode-locked rhodamine dye laser.

TL;DR: In this article, the outputs of a ruby laser and a tunable dye laser (pumped by the ruby laser) have been frequency-mixed in a proustite crystal.

TL;DR: In this article, it was shown that nodal lines and the amplitude of the vibrating object can be detected in the same experimental arrangement as used earlier by Archbold et al.

TL;DR: In this article, an intracavity doubled dye laser was used for both doubling the dye laser and also summing with the pumping laser to further extend the tuning range, achieving an average UV power of 32 mW at 290 nm.

TL;DR: In this paper, the authors reported a continuous stream of 270psec pulses for the dyes Cresyl Violet, Nile Blue A and DTDC in methanol, intracavity pumped in the red by a He-Ne laser.

TL;DR: High energy (250 mJ) flashlamp pumped dye lasers have been frequency narrowed to 200 nm with different dyes in this paper, where they have been applied to a variety of applications.

TL;DR: In this article, the dispersion of the phase matching angles of four photon parametric mixing in liquids is used to measure the frequency sweep of the mode-locked pulses from an Nd: glass laser.

TL;DR: With the aid of a tunable flashlamp-pumped dye laser fluorescence signals corresponding to sodium concentrations down to 0.003 ng/cm3 could be distinguished from background radiation.

TL;DR: In this article, a thin grating fabricated holographically on the surface of a thin film optical waveguide serves as a Bragg diffractor for waves propagating in the film.

TL;DR: A new advance has been proved by using particular setting in 3-D pattern recognition: real-time information processing is performed with S/N ratio as high as 15 dB.

TL;DR: In this article, the dispersions of the nonlinear optical susceptibility modulus χ NL (2ω) of GaAs, InAs, and InSb have been measured with tunable dye lasers.

TL;DR: In this paper, a coherent system for obtaining complex addition and subtraction of two patterns in real time was described using an interferometric system for polarized light the two patterns are superimposed by a birefringent prism.

TL;DR: In this article, the frequency of single-mode oscillations of the P(14) to P(22) transitions were measured with the use of a scanning Fabry-Perot interferometer and a conventional CO 2 reference oscillator.

TL;DR: In this article, an exact solution to the problem of refraction and reflection on a spatially dispersive model medium is presented, and it is found that contrary to usual claims, Maxwell's theory is entirely adequate to provide a unique solution to this problem.

TL;DR: In this article, the statistical properties of superradiant pulses were derived using a simple intuitive model, and new results concerning scaling properties and the statistics of time delays were shown, in good agreement with the quantum statistical computations.