Universal frequency generation and scaling
First Claim
1. A device for scaling electromagnetic or other waves from an external source at a nonzero distance r arriving at a first band of frequencies ω
-
1 to a second band of frequencies ω
2, the device comprising a continuously variable frequency selection means, wherein the continuously variable frequency selection means is varied at a normalized rate β
, in order to achieve the scaling of the frequencies of the electromagnetic or other waves, and the normalized rate β
is set to a wave speed c times the ratio of the difference between the second and the first bands of frequencies to the first band of frequencies divided by the distance r between the external source and the continuously variable frequency selection means, to c·
(ω
2−
ω
1)/(ω
1·
r).
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Accused Products
Abstract
Generation of electromagnetic or other waves of any frequency, coherence, modulation, power, etc. and for scaling such waves in frequency by any factor. Generation is achieved by incorporating an available source of desired coherence, modulation and power properties at some band of frequencies and scaling to the desired frequencies. For scaling, a continuously varied frequency selection mechanism, which results in source-distance dependent frequency scaling as described in copending applications titled “Passive distance measurement using spectral phase gradients” and “Distance-dependent spectra with uniform sampling spectrometry”, is combined with a means of determination, or prior knowledge, of the source distance. This distance, from the source to the frequency scaling mechanism, may be shortened with a refractive or dispersive medium, or varied for fine tuning of the frequency scale factor, and this variation may be effected via electrooptic or magnetooptic properties of the medium.
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Citations
18 Claims
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1. A device for scaling electromagnetic or other waves from an external source at a nonzero distance r arriving at a first band of frequencies ω
-
1 to a second band of frequencies ω
2, the device comprising a continuously variable frequency selection means, wherein the continuously variable frequency selection means is varied at a normalized rate β
, in order to achieve the scaling of the frequencies of the electromagnetic or other waves, and the normalized rate β
is set to a wave speed c times the ratio of the difference between the second and the first bands of frequencies to the first band of frequencies divided by the distance r between the external source and the continuously variable frequency selection means, to c·
(ω
2−
ω
1)/(ω
1·
r). - View Dependent Claims (2, 3, 4)
-
1 to a second band of frequencies ω
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5. A device for generating electromagnetic or other waves at a first band of frequencies ω
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1, the device comprising an internal source producing said electromagnetic or other waves at a second band of frequencies ω
2, and a continuously variable frequency selection means located at a nonzero distance r from the internal source, wherein the continuously variable frequency selection means selects a continuously changing frequency in the electromagnetic or other waves from the internal source and the frequency selection is varied at a normalized rate β
set to a wave speed c times the ratio of the difference between the second and the first bands of frequencies to the first band of frequencies divided by the distance r from the internal source to the continuously variable frequency selection means, to c·
(ω
2−
ω
1)/(ω
1·
r). - View Dependent Claims (6, 7, 8, 9, 10, 11)
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1, the device comprising an internal source producing said electromagnetic or other waves at a second band of frequencies ω
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12. A method for generating electromagnetic or other waves or scaling electromagnetic or other waves emitted by a source, from a first band of frequencies ω
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1 to a second band of frequencies ω
2, in a device including a continuously variable frequency selection means, the method comprising the step of continuously varying the frequency selection at a normalized rate β
set to a wave speed c times the ratio of the difference between the second and the first bands of frequencies to the first band of frequencies divided by the distance r from the source to the continuously variable frequency selection means, to c·
(ω
2−
ω
1)/(ω
1·
r). - View Dependent Claims (13, 14, 15, 16, 17, 18)
-
1 to a second band of frequencies ω
Specification