This section provides an overview for line lasers as well as their applications and principles. Also, please take a look at the list of 9 line laser manufacturers and their company rankings.
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A line laser is a device used primarily on construction and interior work sites to define the location of work to be performed by drawing a line of lasers on the site. A line laser is non-destructive and leaves no trace. In order to aim the laser at the exact location, it is necessary to ensure the level even if the ground on which it is installed is tilted. The number of lasers ranges from two to several, and some products are capable of drawing a line all the way to the ceiling.
Line lasers are used at construction sites when building factories, facilities, and homes to designate where equipment is to be brought in and where structures are to be installed. In the case of interior construction, line lasers are also used to specify the points where holes are to be drilled. When selecting line lasers, it is necessary to consider the selection of the leveling mechanism, the number of lasers, and whether the line lasers are suitable for the environment in which it will be used. Attention should also be paid to the color of the laser, as its legibility varies depending on the environment.
This section describes the principle of operation of line lasers. Line lasers consists of a leveling mechanism and a laser output unit.
There are two types of leveling mechanisms: gimbal type and electronically calibrated type. The gimbal type has a built-in pendulum, which vibrates to determine the center point of the earth and level the line lasers. Care must be taken because the line is not stable when there is vibration. The electronic canonical type has a built-in container with liquid and bubbles, and the level is taken by measuring the position of the bubbles. Under high temperatures, care must be taken because a large number of bubbles can be generated.
A semiconductor is used in the laser output section. When energy is given to the semiconductor, it enters an excited state and emits light as it tries to return from the excited state to the ground state. This light is amplified by a mirror plate or junction, and the light is emitted as a laser. The size of the laser light is determined by standards, and line lasers use light of a size that does not cause immediate exposure to radiation even if it enters the human eye.
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