LIGHT SCANNER PACKAGE AND METHOD FOR MANUFACTURING SAME
The present disclosure relates to an optical scanner package comprising a scanner element, a lower substrate having an inner space, and a semi-spherical transmissive window. The semi-spherical transmissive window has different inclinations in an incident position thereof and in an emission position...
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| creator | CHOI, Jinhong MOON, Seunghwan LEE, Jonghyun JO, Kyoungwoo |
| description | The present disclosure relates to an optical scanner package comprising a scanner element, a lower substrate having an inner space, and a semi-spherical transmissive window. The semi-spherical transmissive window has different inclinations in an incident position thereof and in an emission position thereof, and interference caused by sub-reflection can thus be reduced. Since the incident angle α and the maximum emission angle β are small, anti-reflection coating design is easy, and light loss can be reduced. There is an advantage in that, even when the optical scanning angle (OSA) γ of a laser is large, the maximum emission angle β is small, and emitted laser light thus has a small change in characteristics. In addition, since there are curvatures on both sides of two axes, there is little restriction regarding the incident direction even in the case of two-axis driving. |
| format | Patent |
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The semi-spherical transmissive window has different inclinations in an incident position thereof and in an emission position thereof, and interference caused by sub-reflection can thus be reduced. Since the incident angle α and the maximum emission angle β are small, anti-reflection coating design is easy, and light loss can be reduced. There is an advantage in that, even when the optical scanning angle (OSA) γ of a laser is large, the maximum emission angle β is small, and emitted laser light thus has a small change in characteristics. 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The semi-spherical transmissive window has different inclinations in an incident position thereof and in an emission position thereof, and interference caused by sub-reflection can thus be reduced. Since the incident angle α and the maximum emission angle β are small, anti-reflection coating design is easy, and light loss can be reduced. There is an advantage in that, even when the optical scanning angle (OSA) γ of a laser is large, the maximum emission angle β is small, and emitted laser light thus has a small change in characteristics. In addition, since there are curvatures on both sides of two axes, there is little restriction regarding the incident direction even in the case of two-axis driving.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICALDEVICES MICROSTRUCTURAL TECHNOLOGY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PERFORMING OPERATIONS PHYSICS PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTUREOR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS TRANSPORTING |
| title | LIGHT SCANNER PACKAGE AND METHOD FOR MANUFACTURING SAME |
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