1. An optical system, comprising:
a variable wave plate;
a reticle;
a first optical device; and
an axis defined as extending between a source of a light beam and the first optical device,
wherein the source of the light beam, the variable wave plate, the reticle, and the first optical device all lie along the axis, and
wherein the variable wave plate is also positioned along the axis, next to the reticle and before the first optical device.
2. The optical system of claim 1, further comprising: said variable wave plate is a Berek’s compensator.
3. The optical system of claim 1, further comprising: said variable wave plate is a Soleil-Babinet compensator.
4. The optical system of claim 1, wherein the first optical device comprises:
a first lens group positioned along the axis;
a reflective device positioned to receive light from the first lens group; and
a second lens group positioned to receive light from the reflective device.
5. The optical system of claim 4, wherein the first lens group comprises lenses producing a net positive optical power.
6. The optical system of claim 4, wherein the second lens group comprises lenses producing a net negative optical power.
7. The optical system of claim 4, wherein the reflective device directs light exiting the first lens group towards to second lens group
8. The optical system of claim 1, further comprising:
a beam directing system positioned to receive light from the first optical device; and
a second optical device positioned to receive light from the beam directed system.
9. The optical system of claim 8, wherein the beam directing system comprises:
a beam splitter positioned to receive light from the first optical system and direct light toward the second optical system; and
a reflective device positioned to receive light from the beam splitter and reflect light toward the beam splitter.
10. The optical system of claim 9, wherein:
light exiting the first optical device is directed to the reflective device using the beam splitter; and
light reflected from the reflective device is passed through the beam splitter and is received by the second optical device.
11. The optical system of claim 9, further comprising:
a first quarter-wave plate positioned between the beam splitter and the reflective device; and
a second quarter-wave plate positioned between the beam splitter and the second optical device.
12. The optical system of claim 8, wherein the second optical device has a positive optical power.
13. A system, comprising:
a variable wave plate;
a first optical device
a reticle adjacent to the variable wave plate, the reticle and variable wave plate being located in an optical path between a light source and the first optical device;
a beam directing system; and
a second optical device,
wherein the beam directing system comprises,
a beam splitter operatively positioned to receive light from the first optical system and direct light toward the second optical system,
a reflective device operatively positioned to receive light from the beam splitter and reflect light toward the beam splitter,
a first quarter-wave plate operatively positioned between the beam splitter and the reflective device, and
a second quarter-wave plate operatively positioned between the beam splitter and the second optical device.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. An anchoring panel for a sport wall system comprising:
a front side facing an interior of the sport wall system;
a back side, said front and back side comprising a length of about 18\u2033 to 108\u2033 and a height of about 24\u2033 to 48\u2033;
a top side and a bottom side, the front side and back side arranged therebetween;
a first and second end wall, the front side and back side arranged therebetween, wherein the first and second end wall and top and bottom side form the width of the anchoring panel and is about 2\u2033 to 12\u2033;
at least two cylindrically-shaped male knobs arranged on the first end wall at an upper and lower portion of the anchoring panel via a flange extending from the end wall, wherein the male knobs extend from a bottom of the flange toward the bottom side of the anchoring panel, wherein the male knobs comprise a length of about 2\u2033 to 5\u2033 and a diameter of about 1\u2033 to 3\xbd\u2033;
at least two end wall recesses arranged on the second end wall at an upper and lower portion of the anchoring panel, wherein each of the end wall recess is arranged in an end wall cutout and extends into the sport wall, said end wall recesses comprising a length of about 2\u2033 to 5\u2033 and a diameter of about 1\u2033 to 4\u2033; and
a flange extending from and rigidly fixed to the back side, said flange comprising a wedge-shape, wherein the flange height that is coupled to the back side is about 18\u2033 to 44\u2033 and a width of about 4\u2033 to 8\u2033, said wedge-shape of the flange widening as the flange extends to the bottom side of the anchoring panel, wherein at the bottom of the anchoring panel the flange comprises a length of about 18\u2033 to 36\u2033, wherein the flange comprises an opening and a hollow interior capable of receiving filling material.
2. The anchoring panel of claim 1, wherein the front side and back side are curved.
3. The anchoring panel of claim 1, wherein the front side and back side form between a 30 and 90-degree angle.
4. An anchoring panel for a sport wall system comprising:
a front side facing an interior of the sport wall system;
a back side;
a top side and a bottom side, the front side and back side arranged therebetween;
a first and second end wall, the front side and back side arranged therebetween, wherein each of said first and second end walls comprise interlocking elements for interlocking with a first or second end of another panel in the sport wall system, said interlocking elements comprising at least a male knob extending towards the bottom side of the anchoring panel and configured to be insertable into an end wall recess of the another panel in the sport wall system; and
a flange extending from and rigidly fixed to the back side, said flange comprising a hollow interior capable of receiving filling material.
5. The anchoring panel of claim 4, wherein the flange is wedge-shaped and comprises a width of about 8\u2033 a height of about 40\u2033 and a width of about 26\u2033.
6. The anchoring panel of claim 4, wherein a bottom side of the flange is arranged on a same plane as the anchoring panel bottom side.
7. The anchoring panel of claim 4, wherein the hollow interior of the flange is accessible by a fill opening arranged on the flange.
8. The anchoring panel of claim 7, further comprising a fill opening cover for covering access to the flange hollow interior.
9. The anchoring panel of claim 4, wherein at least one protrusion extends from said first or second end wall, the protrusion accommodating a first end of the male knob.
10. The anchoring panel of claim 9, wherein the top side comprises a stepped surface having a depth corresponding to a height of the at least one protrusion.
11. The anchoring panel of claim 10, wherein the stepped surface having the depth further comprises a hollow recess capable of receiving a male knob from the another first or second end of the another panel in the sport wall system.
12. A sport wall system comprising:
a plurality of panels for forming an enclosed sporting area, each of the plurality of panels comprising:
a front side facing an interior of the enclosed sporting area;
a back side;
a top and bottom side, the front and back side arranged therebetween;
first and second end walls, the front and back side arranged therebetween, wherein each of said first and second end walls comprise interlocking elements for interlocking with another of the plurality of panels, said first or second end wall interlocking elements comprising at least a male knob extending towards the bottom side of the anchoring panel configured to be insertable into a panel recess of the another first or second end of another of the plurality of panels, and the other end wall comprising a panel recess configured accommodate a male knob from another of the plurality of panels;
one or more flanges, each of the one or more flanges extending from and rigidly fixed to the back side of one of the plurality of panels.
13. The sport wall system of claim 12, wherein each flange comprises a hollow interior capable of receiving filling material.
14. The sport wall system of claim 12, wherein each of the one or more flanges are integrally formed with its corresponding panel.
15. The sport wall system of claim 12, wherein one or more of the plurality of panels comprises a panel gate.
16. The sport wall system of claim 12, wherein one or more of the plurality of panels comprises a curved panel.
17. The sport wall system of claim 12, wherein one or more of the plurality of panels comprises a kick plate.
18. The sport wall system of claim 12, wherein one or more of the plurality of panels comprise a hollow space between the front and back wall.
19. The sport wall system of claim 18, wherein a plurality of kissoffs couple an interior of the front wall to an interior of the back wall.
20. The sport wall system of claim 12, wherein the plurality of panels are constructed of polyethylene.
21. An anchoring panel for a sport wall system comprising:
a front side facing an interior of the sport wall system;
a back side;
a top side and a bottom side, the front side and back side arranged therebetween;
a first and second end wall, the front side and back side arranged therebetween, wherein each of said first and second end walls comprise interlocking elements for interlocking with a first or second end of another panel in the sport wall system, said interlocking elements comprising at least a male knob extending towards the bottom side of the anchoring panel and configured to be insertable into an end wall recess of the another panel in the sport wall system; and
means for stabilizing said anchoring panel.