Semi-coherent gravitational wave beam generation and related apparatus, systems, and methods
Aspects of the present disclosure relate to generation of a semi-coherent gravitational wave beam and related apparatus, systems, and methods, such as for at least gravitational wave communication. In one or more embodiments, a gravitational wave generator includes a generator frame, and a first rotatable mass mounted to the generator frame. The first rotatable mass is rotatable about a generator axis and rotatable relative to the generator frame to generate one or more gravitational waves. The gravitational wave generator includes one or more wave guide stages that include two or more guide assemblies. The two or more guide assemblies each include a guide frame, and a second rotatable mass mounted to the guide frame. The second rotatable mass is rotatable about a guide axis and rotatable relative to the guide frame to at least partially focus the one or more gravitational waves into one or more collimated beams.
1 . A gravitational wave generator, comprising:
a generator frame;
a first rotatable mass mounted to the generator frame, wherein the first rotatable mass is rotatable about a generator axis and rotatable relative to the generator frame to generate one or more gravitational waves; and
one or more wave guide stages comprising two or more guide assemblies that each comprise:
a guide frame, and
a second rotatable mass mounted to the guide frame, wherein the second rotatable mass is rotatable about a guide axis and rotatable relative to the guide frame to at least partially focus the one or more gravitational waves into one or more collimated beams, wherein the guide axis is oriented non-parallel to the generator axis.
2 . The gravitational wave generator of claim 1 , further comprising:
a generator motor mounted to the generator frame and coupled to a generator shaft extending through the first rotatable mass.
3 . The gravitational wave generator of claim 2 , wherein each of the two or more guide assemblies further comprises a guide motor mounted to the guide frame and coupled to a guide shaft extending through the second rotatable mass.
4 . The gravitational wave generator of claim 1 , wherein the generator frame and the guide frame each comprise:
a pair of side walls;
a rim wall extending between the side walls;
a well opening defined at least partially by the rim wall and the side walls; and
an attachment arm.
5 . The gravitational wave generator of claim 4 , wherein:
rotation of the first rotatable mass generates the one or more gravitational waves along a propagation direction that is orthogonal to the generator axis and extending through the rim wall of the generator frame.
6 . The gravitational wave generator of claim 5 , wherein each of the one or more wave guide stages comprises a pair of the guide assemblies arranged on opposite sides of the propagation direction.
7 . The gravitational wave generator of claim 6 , wherein the one or more wave guide stages comprise at least three wave guide stages arranged in an array along the propagation direction.
8 . The gravitational wave generator of claim 5 , wherein the second rotatable mass of each of the two or more guide assemblies are oriented at a guide angle relative to the propagation direction, wherein the guide angle is an acute angle.
9 . The gravitational wave generator of claim 5 , further comprising one or more shafts disposed adjacent to the rim wall of the generator frame, wherein a longitudinal axis of at least one of the one or more shafts is parallel to or coaxial with the propagation direction.
10 . The gravitational wave generator of claim 4 , wherein each of the first rotatable mass and the second rotatable mass comprises a disc positioned partially in the well opening of the respective generator frame or guide frame.
11 . The gravitational wave generator of claim 1 , wherein the guide axis is oriented tangentially to the generator axis.
12 . The gravitational wave generator of claim 1 , wherein the first rotatable mass is spinnable about the generator axis, the generator axis extends through a first center of mass of the first rotatable mass, the second rotatable mass is spinnable about the guide axis, and the guide axis extends through a second center of mass of the second rotatable mass.
13 . A gravitational wave generator, comprising:
a generator frame;
a first rotatable mass mounted to the generator frame, wherein the first rotatable mass is rotatable about a generator axis;
one or more wave guide stages comprising two or more guide assemblies that each comprise:
a guide frame, and
a second rotatable mass mounted to the guide frame, wherein the second rotatable mass is rotatable about a guide axis, and the guide axis is oriented non-parallel to the generator axis; and
an adjustment assembly configured to adjust the guide axis of each second rotatable mass of the two or more guide assemblies, the adjustment assembly comprising:
a drive shaft,
a travel block disposed along the drive shaft, and
a drive arm pivotably coupled to the travel block and pivotably coupled to the guide frame.
14 . The gravitational wave generator of claim 13 , wherein the generator frame and the guide frame each comprise:
a pair of side walls;
a rim wall extending between the side walls;
a well opening defined at least partially by the rim wall and the side walls; and
an attachment arm.
15 . The gravitational wave generator of claim 14 , wherein rotation of the first rotatable mass generates one or more gravitational waves along a propagation direction that is orthogonal to the generator axis and extending through the rim wall of the generator frame.
16 . The gravitational wave generator of claim 15 , wherein the one or more wave guide stages comprise:
a first wave guide stage including two or more guide assemblies;
a second wave guide stage including two or more guide assemblies spaced from the first wave guide stage along the propagation direction; and
a third wave guide stage including two or more guide assemblies spaced from the second wave guide stage along the propagation direction.
17 . The gravitational wave generator of claim 16 , wherein the drive arm is pivotably coupled to the attachment arm of one of the two or more guide assemblies of the first wave guide stage, and the adjustment assembly further comprises:
a first lever arm pivotably coupled to the two or more guide assemblies of the second wave guide stage;
a second lever arm pivotably coupled to the two or more guide assemblies of the third wave guide stage; and
one or more linkages pivotably coupled to the first lever arm, the second lever arm, and the attachment arm of the one of the two or more guide assemblies of the first wave guide stage.
18 . The gravitational wave generator of claim 17 , wherein the second rotatable mass of each of the two or more guide assemblies of each of the first, second, and third wave guide stages is oriented at a guide angle relative to the propagation direction, wherein movement of the drive shaft moves the travel block and pivots the drive arm to pivot the one or more linkages and adjust the guide angle.
19 . The gravitational wave generator of claim 15 , further comprising a feedback detector, wherein the feedback detector comprises a stack of electrically charged plates positioned along the propagation direction and on an opposite side of the one or more wave guide stages relative to the generator frame.
20 . The gravitational wave generator of claim 19 , further comprising:
a base frame;
a carriage frame pivotably coupled to the base frame, wherein the drive shaft is mounted to the carriage frame;
one or more spacer frames spaced from the carriage frame; and
a plurality of rods extending through the one or more spacer frames and into the carriage frame, wherein the feedback detector is mounted to the plurality of rods.
21 . The gravitational wave generator of claim 20 , wherein pivoting of the carriage frame relative to the base frame adjusts an incline angle of the propagation direction.