mirror in which a slope of a paraboloide is provided to make a narrow width so that downward reflection is greater than or equal to 90% by an angle between an incident angle at an inner point of a paraboloidal mirror and a normal surface, the angle being larger than a critical angle,...
resin film-like support, a mirror solar reflector having a base, the said base film and the mirror is joined, the solar reflecting mirrors surface roughness Ra of the light incident side is 0.01μm more than 0.1μm or less, it has a structure in which the film mirror has a concave ...
a collecting and reflecting plate 36 in the form of concave mirror is provided within the head member 2. In FIG. 2, L', L' . . . represent light from the skylight which could not be captured by the optical conductor cables and were reflected by the plate 36. The collecting and refle...
(VIS) sunlight to be incident on the samples being tested in sample chamber SC, but to reflect the near infrared (NIR) part of the solar spectrum to minimize the thermal load on the samples. The chamber intended to be used in this initial design only allowed sample exposure at a single ...
and light condensed from the condensing lens FL is made incident to a point P of a photodetecting part S from said reflector M'. According to such constitution, by synthesizing a focal distance (f) of the lens FL and a focal distance f1 of the concave mirror M', its focal distance f2...
Said compound concave cylindrical sunlight reflector is provided to reflect most of incident sunlight towards vertical axis of said compound concave cylindrical sunlight reflector. 2) A detachable means for solar energy absorption provided along vertical axis of said compound concave cylindrical sunlight ...
frontwardly point-collected by the concave mirror 2 to a quadrangular light path; and a Fresnel lens 4 provided at a front edge of the housing 5 for point-collecting the light incident from the integrator lens 3 along the quadrangular light path in a direction parallel to an irradiation ...
wherein a reflective layer is disposed on a resin film support and a substrate, wherein the film mirror is bonded to the substrate, the surface roughness Ra on the incident side of the mirror for reflecting sunlight is between 0.01 and 0.1 碌m, and the film mirror has a concave surface....
at least one rotatable linear concave mirror 110 extending at least partially across the frame, and at least one energy conversion device 120 extending at least partially across the frame wherein the unit is arranged such that substantially parallel radiation incident on the mirror is reflected onto...
sunlight reflector consisting of a pair of quadrant sectioned concave cylindrical sunlight reflectors, and another pair of semi quadrant sectioned concave cylindrical sunlight reflectors provided to reflect most of incident sunlight towards vertical axis of said compound concave cylindrical sunlight ...