Many daily applications require a precise reference line for alignment. Examples are:
· Laying pipes of gas, water, electricity, etc.
· Digging tunnels under-ground (such as the one under the English Channel between England and France).
· Alignment of mechanical systems.
· Marking spots for pointing invisible radiation from another laser (such as Nd-YAG or CO2 lasers). The visible laser radiation is aligned parallel to the invisible radiation, such that it mark the place where the invisible beam is pointing.
· Marking a reference plane for construction:
By using a vibrating (or rotating) mirror to reflect a visible laser light, a perfect plane is defined in space. The mirror is vibrating around one axis, so the light is reflected into consecutive angles continuously, thus defining a perfect plane. Since the vibration of the mirror is at a frequency greater than the persistence of vision in the brain, the viewer sees a plane of light. This plane helps aligning walls, sealing, etc. in industrial construction.
· Laying pipes of gas, water, electricity, etc.
· Digging tunnels under-ground (such as the one under the English Channel between England and France).
· Alignment of mechanical systems.
· Marking spots for pointing invisible radiation from another laser (such as Nd-YAG or CO2 lasers). The visible laser radiation is aligned parallel to the invisible radiation, such that it mark the place where the invisible beam is pointing.
· Marking a reference plane for construction:
By using a vibrating (or rotating) mirror to reflect a visible laser light, a perfect plane is defined in space. The mirror is vibrating around one axis, so the light is reflected into consecutive angles continuously, thus defining a perfect plane. Since the vibration of the mirror is at a frequency greater than the persistence of vision in the brain, the viewer sees a plane of light. This plane helps aligning walls, sealing, etc. in industrial construction.
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