功能

• Like a corner cube, it is an optical element that can reflect all incoming light back to its original direction.
• By precisely combining the 3 mirrors at 90 degrees, there is no effect of wavelength dispersion of the refractive index of the glass or absorption of the glass.
• Hollow retro reflectors are precisely machined and adjusted so that light can be returned with high accuracy.
• It can be used in a wide wavelength band from ultraviolet to near-infrared.
• Since there is no wavelength dispersion by the glass, the beam position of the folded light is not distorted by the wavelength.
• Because of its small polarization characteristics, it can also be used in multiple optical path interferometers that use polarized light.
• A lens holder (LHF-S) that can be fixed to a hollow litro litro reflector is available.
• A corner cube (CCB) with high reflected light is also available.
• * When a beam is incident on a hollow retroreflector, the beam is returned at exactly the same angle as the incident angle, but if the incident position of the beam is away from the center of the retroreflector, the beam is emitted from the same distance away from the center.
• * Since there is a gap in the junction surface where the three reflective surfaces of the hollow retro-reflector intersect, six lines that do not reflect light can be observed radially when looking through the incoming and outgoing surfaces.
• * When using a thin laser beam, make sure that the beam is not applied to these six lines.
• * Hollow retro-reflectors have some polarization characteristics due to aluminum reflection.
• * Do not rub the mirror surface with paper.
• * The aluminum coating does not have a protective coat, so it will scratch.
• * Use an air blower to blow out the garbage before use.
• * The reflectivity of aluminum is 85% to 90% (one side), but the efficiency of folded light is 61% to 73% because hollow retro-reflectors always reflect on three sides.