WO2015033494A1 - レーザー走査装置 - Google Patents
レーザー走査装置 Download PDFInfo
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- WO2015033494A1 WO2015033494A1 PCT/JP2014/002989 JP2014002989W WO2015033494A1 WO 2015033494 A1 WO2015033494 A1 WO 2015033494A1 JP 2014002989 W JP2014002989 W JP 2014002989W WO 2015033494 A1 WO2015033494 A1 WO 2015033494A1
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/10—Scanning systems
- G02B26/105—Scanning systems with one or more pivoting mirrors or galvano-mirrors
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/10—Scanning systems
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/0816—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements
- G02B26/0833—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements the reflecting element being a micromechanical device, e.g. a MEMS mirror, DMD
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/10—Scanning systems
- G02B26/101—Scanning systems with both horizontal and vertical deflecting means, e.g. raster or XY scanners
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0927—Systems for changing the beam intensity distribution, e.g. Gaussian to top-hat
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/10—Beam splitting or combining systems
- G02B27/14—Beam splitting or combining systems operating by reflection only
- G02B27/141—Beam splitting or combining systems operating by reflection only using dichroic mirrors
Definitions
- the present invention relates to a laser scanning device using a plurality of laser light sources.
- a laser scanning device using a plurality of laser light sources three types of laser light sources of a red laser, a green laser, and a blue laser are combined into one optical axis by a MEMS (Micro Electro Mechanical Systems) mirror.
- MEMS Micro Electro Mechanical Systems
- the laser light emitted from each laser light source is converted into light slightly narrower than parallel using a condensing lens or a collimating lens, and an aperture (also referred to as an aperture limiting device) is applied to each laser light. ),
- Each laser beam has a predetermined shape and size, and is scanned with a single MEMS mirror by converting the laser beam into one converging optical axis direction using a mirror or a prism.
- Patent Document 1 For example, refer to Patent Document 1).
- JP 2010-107615 A (page 5-10, FIG. 1)
- the respective laser beams when the laser beams emitted from the respective laser light sources are collected in one condensing optical axis direction, the respective laser beams have a predetermined shape and size.
- the apertures are provided for each laser light source.
- the collimator lens and the laser light source are adjusted as a single unit for each light source in the manufacturing process of the laser scanning device, and then reassembled during the entire assembly.
- the position needs to be adjusted, and there are many adjustment items in the manufacturing process of the laser scanning device.
- the present invention has been made in order to solve the above-described problems.
- the laser scanning device using a plurality of laser light sources, the laser scanning device has a simple configuration and realizes reduction of adjustment items in the manufacturing process. Is what you get.
- a plurality of laser light sources for emitting laser light having an elliptical light intensity distribution, and a reflecting surface, the laser light incident from each of the laser light sources is focused on a focusing optical axis.
- a prism for converting the direction, an aperture provided in a state in which an opening position through which the laser light emitted from the prism passes can be adjusted in a predetermined adjustment direction, and the prism incident through the aperture A plurality of laser light sources each having a long axis direction of a light intensity distribution at a position where the laser light emitted from each of the plurality of laser light sources is incident on the aperture. It is characterized in that it is provided in an orientation that becomes the adjustment direction.
- the present invention provides an aperture on the optical path from the prism to the scanning mirror so that each laser beam emitted from the prism can adjust the luminous flux passing through the aperture in a predetermined adjustment direction. It is possible to configure with one aperture without providing an aperture for each laser light source. As a result, it is possible to realize a laser scanning apparatus that has a simple configuration and reduces adjustment items in the manufacturing process.
- FIG. 1 is a cross-sectional view of the laser scanning device according to the present embodiment.
- three laser light sources 101, 102, and 103 are provided.
- a prism 301 that converts laser light emitted from the laser light source 102 in the direction of the focusing optical axis and a prism 302 that converts laser light emitted from the laser light source 103 in the direction of the focusing optical axis are provided.
- the focusing optical axis L is shown to take an axis parallel to the X axis.
- FIG. 2 is a longitudinal sectional view of the laser scanning device according to the present embodiment cut along the XZ plane.
- the housing 10 is a housing of the laser scanning device according to the present embodiment.
- the first laser light source 101 emits a first laser beam.
- the first laser light source 101 is, for example, a red semiconductor laser, and the first laser light is laser light having a red wavelength.
- the light is emitted toward the ⁇ X direction. Further, it is provided such that the wide direction (long axis direction) of the radiation angle specification of the light intensity distribution characteristic is directed to the Z axis direction (perpendicular to the paper surface of FIG. 1).
- the first laser light source 101 is supported by the light source adjustment plate 21 so that the emitted optical axis can be adjusted.
- the first laser light source 101 is fixed to the light source adjustment plate 21 by press-fitting or bonding.
- the light source adjustment plate 21 is in close contact with the side surface of the housing 10 and is finely adjusted in the contact surface inward direction, and then screwed or bonded. It is fixed by.
- a collimating lens 201 is provided in the emission direction of the first laser light source 101.
- the collimator lens 201 converts the light beam of the first laser light into parallel light.
- the collimating lens 201 is supported by the lens adjustment holder 31.
- the collimator lens 201 and the lens adjustment holder 31 are bonded and fixed, and the lens adjustment holder 31 is provided so as to be fitted in a cylindrical hole of the housing 10 in a state where precise position adjustment is possible in the optical axis direction.
- the light source adjustment plate 21 and the lens adjustment holder 31 are precisely adjusted so that the parallel light of the first laser beam from the first laser light source 101 is adjusted in the direction of the focusing optical axis L.
- the precise adjustment means performing a precise position adjustment.
- the second laser light source 102 emits second laser light.
- the second laser light source 102 is, for example, a green semiconductor laser, and the second laser light is green wavelength laser light.
- the light is emitted toward the ⁇ Y direction. Further, it is provided so that the wide direction (long axis direction) of the radiation angle specification of the light intensity distribution characteristic is directed to the Z-axis direction.
- the second laser light source 102 is supported by the light source adjustment plate 22 so that the emitted optical axis can be adjusted.
- the second laser light source 102 is fixed to the light source adjustment plate 22 by press-fitting or bonding, and the light source adjustment plate 22 is in close contact with the side surface of the housing 10 and is finely adjusted in the in-contact direction, and then fixed with screws. It is fixed by bonding.
- a collimating lens 202 is provided in the emission direction of the second laser light source 102.
- the collimator lens 202 converts the light beam of the second laser light into parallel light.
- the collimating lens 202 is supported by the lens adjustment holder 32.
- the collimating lens 202 and the lens adjustment holder 32 are bonded and fixed, and the lens adjustment holder 32 is provided so as to be fitted in a cylindrical hole of the housing 10 in a state where precise position adjustment is possible in the optical axis direction.
- the parallel light of the second laser beam emitted from the collimator 202 is converted in the direction of the focused optical axis by a prism beam splitter (also referred to as a prism) 301.
- the prism beam splitter 301 has a reflecting surface inclined at 45 degrees in the prism, and reflects the light beam incident from the ⁇ Y direction in the ⁇ X direction.
- the prism beam splitter 301 is supported by the prism adjustment holder 41.
- the prism beam splitter 301 and the prism adjustment holder 41 are bonded and fixed, the prism adjustment holder 42 is moved precisely in the X-axis direction with respect to the side surface of the housing 10, and the reflection surface in the prism is accurately moved in the X-axis direction in FIG. Move. If the reflecting surface in the prism is moved in the X-axis direction, it is possible to adjust in the Y-axis direction the light flux that reflects the parallel light of the second laser light incident on the reflecting surface.
- the light source adjustment plate 22, the lens adjustment holder 32, and the prism adjustment holder 41 are precisely adjusted so that the parallel light of the second laser light from the second laser light source 102 is converted into a focused optical axis. Adjust and provide.
- the third laser light source 103 emits third laser light.
- the third laser light source 103 is, for example, a blue semiconductor laser, and the third laser light is a blue wavelength laser light.
- the light is emitted toward the ⁇ Y direction. Further, it is provided so that the wide direction (long axis direction) of the radiation angle specification of the light intensity distribution characteristic is directed to the Z-axis direction.
- the third laser light source 103 is supported by the light source adjustment plate 23 so that the emitted optical axis can be adjusted.
- the third laser light source 103 is fixed to the light source adjustment plate 23 by press-fitting or bonding, and the light source adjustment plate 23 is in close contact with the side surface of the housing 10 and is finely adjusted in the contact surface inward direction, and then fixed with screws. It is fixed by bonding.
- a collimating lens 203 is provided in the emission direction of the third laser light source 103.
- the collimator lens 203 converts the light beam of the third laser light into parallel light.
- the collimating lens 203 is supported by the lens adjustment holder 33.
- the collimating lens 203 and the lens adjustment holder 33 are bonded and fixed, and the lens adjustment holder 33 is provided so as to be fitted in a cylindrical hole of the housing 10 in a state where precise position adjustment is possible in the optical axis direction.
- the parallel light of the third laser beam emitted from the collimator 203 is converted by the prism beam splitter 302 in the direction of the focusing optical axis.
- the prism beam splitter 302 has a reflecting surface inclined at 45 degrees in the prism, and reflects the light beam incident from the ⁇ Y direction in the ⁇ X direction.
- the prism beam splitter 302 is supported by the prism adjustment holder 42.
- the prism beam splitter 302 and the prism adjustment holder 42 are bonded and fixed, and the prism adjustment holder 42 is moved precisely in the X-axis direction with respect to the side surface of the housing 10 so that the reflection surface in the prism is accurately moved in the X-axis direction in FIG. Move. If the reflecting surface in the prism is moved in the X-axis direction, it is possible to adjust in the Y-axis direction the light flux that reflects the parallel light of the second laser light incident on the reflecting surface.
- the light source adjustment plate 23, the lens adjustment holder 33, and the prism adjustment holder 42 are precisely adjusted so that the parallel light of the third laser light from the third laser light source 103 is converted into the focused optical axis. Adjust and provide.
- a step structure is provided at a place where the prism adjustment holder 41 and the prism adjustment holder 42 are in contact with each other, and a gap that allows the inside of the housing 10 to be seen through is adjusted even when each is adjusted.
- the light beam converted to the focused optical axis L is incident on a biaxial polarizing mirror (also referred to as a scanning mirror) 500 through an aperture 53 described later.
- a biaxial polarizing mirror also referred to as a scanning mirror
- the light beam converted to the focusing optical axis L is once reflected by the mirror 401 and incident on the biaxial polarizing mirror 500.
- the mirror 401 is supported by the mirror adjustment plate 60.
- the mirror 401 and the mirror adjustment plate 60 are fixed, and the mirror adjustment plate 60 is fixed to the housing 10 in a state where precise position adjustment is possible in the X-axis direction.
- the MEMS mirror 501 is provided in the biaxial polarizing mirror 500.
- the biaxial polarizing mirror 500 inputs an electric signal for scanning in a two-dimensional scanning direction, and changes the angle of the reflecting surface of the MEMS mirror 501 by using the MEMS mirror 501 as an actuator.
- the biaxial polarizing mirror 500 converts the reflection angle of the light beam incident on the MEMS mirror 501 by changing the angle of the reflection surface of the MEMS mirror 501.
- the light can be emitted to the display area on the XZ plane.
- this embodiment will be described as a two-dimensional laser scanning device, the scanning mirror 500 scans in the one-dimensional scanning direction when a one-dimensional laser scanning device is configured. An electrical signal is input, and the angle of the reflection surface of the MEMS mirror 501 is changed by an actuator of the MEMS mirror 501.
- the biaxial polarizing mirror 500 is supported by the MEMS mirror plate 70.
- the biaxial polarizing mirror 500 and the MEMS mirror plate 70 are fixed, and the MEMS mirror plate 70 is fixed to the housing 10.
- the aperture 53 is a hole that blocks unnecessary light generated by a prism or a casing on the way and allows only necessary light to pass therethrough.
- the light beams converted from the respective laser light sources to the focusing optical axis L pass through the aperture 53 and become predetermined light beams.
- the aperture 53 is provided at a position eccentric with respect to the central axis of the cylindrical aperture adjustment holder 51.
- the aperture adjustment holder 51 provided with the aperture 53 is accurately inserted into the cylindrical hole of the housing 10.
- the cylindrical hole of the housing 10 provides an opening for precisely fitting the aperture adjustment holder 51 and accurately positions the position of the aperture adjustment holder 51 in the central axis direction.
- an internal thread portion is provided at the entrance portion of the cylindrical hole of the housing 10, and a screw ring 52 having a ring shape and an external thread portion provided on the outside is rotationally inserted, and the aperture adjustment holder 51 is accurately attached to the housing 10. It is fixed in a state where a moderate pressure is applied.
- the male screw part of the screw ring 52 and the female screw part of the cylindrical hole of the housing 10 employ a screw specification with a narrow screw pitch interval of a fine specification, but a coarse specification may be used.
- a groove is provided in a part of the cylindrical outer shape of the aperture adjustment holder 51 in the horizontal direction with respect to the central axis, and an opening is provided on the upper surface of the housing 10 at a position where the groove is visible.
- the aperture adjustment holder 51 can be precisely rotated from this opening using an eccentric pin.
- the aperture 53 moves slightly in the Z-axis direction (predetermined adjustment direction).
- the aperture 53 is integrally formed as the structure of the aperture adjustment holder 51.
- the aperture 53 is formed of a thin metal plate or another component having an opening in a metal foil, and then the aperture 53 is formed.
- the adjustment holder 51 may be used by being press-fitted or fixed by a method such as adhesion.
- the wide direction (major axis direction) of the radiation angle specification of the light intensity distribution characteristic is the Z axis in the light beam converted into the focusing optical axis L incident on the aperture 53.
- FIG. 3 is a flowchart showing the assembly adjustment method of the laser scanning device according to the present invention.
- FIG. 4 is a diagram showing an adjustment target at the stage of the adjustment procedure of the present invention, and the positional relationship between the light intensity distribution from the laser light source (elliptical shape) and the luminous flux after passing through the aperture (circular oblique line region).
- the laser light source is a light source such as a semiconductor laser that has an elliptical light intensity distribution.
- a laser beam profiler measuring device For measurement for position adjustment, for example, a laser beam profiler measuring device is used.
- the first laser light source 101 is turned on (STEP 11).
- the light emission point position of the first laser light source 101 is adjusted (STEP 12).
- the converted collimated light is adjusted so as to match the direction of the focusing optical axis L.
- the focal length of the collimating lens 201 matches the light emitting point of the first laser light source 101 (STEP 13).
- the focal length of the collimating lens 201 coincide with the light emitting point of the semiconductor laser 101, the light transmitted through the collimating lens becomes collimated light.
- the first semiconductor laser 101 is adjusted in-plane so as to obtain a predetermined emission angle.
- the incident position of the reflection mirror 401 is adjusted using the mirror adjustment plate 60 (STEP 14).
- the mirror adjustment plate 60 By moving the mirror adjustment plate 60 in the X direction with the eccentric pin and adjusting the incident position of the reflecting mirror 401, the incident position in the X direction to the MEMS mirror 501 on which the reflected light from the reflecting mirror 401 enters is adjusted.
- the Z-direction incident position on the MEMS mirror 501 is adjusted using the aperture adjustment holder 51 (STEP 15).
- the aperture adjustment holder 51 By rotating the aperture adjustment holder 51 with the eccentric pin, the adjustment of the Z-direction incident position on the MEMS mirror 501 can be realized.
- FIG. 4A shows the positional relationship between the adjustment target before the STEP 15 adjustment, the light intensity distribution by the first laser light source 101, and the light beam (circular hatched area) after passing through the aperture 53. This is adjusted in STEP 15, and as shown in FIG. 4B, the position of the round first light beam (hatched area) after passing through the aperture 53 from the first laser light source 101 is the position of the adjustment target. Adjusted to
- the second laser light source 102 and the third laser light source 103 are turned on (STEP 21).
- the focal length of the collimating lens 202 is matched with the light emitting point of the second laser light source 102, and the focal length of the collimating lens 203 is matched with the light emitting point of the third laser light source 103 (STEP 23). .
- STEP 22 is adjusted to STEP 12 and STEP 23 is adjusted by the same adjustment method as STEP 13 so that each collimated light is aligned with the direction of the focusing optical axis L.
- the second laser light source 102 and the third laser light source 103 are different in direction from the first laser light source 101, the adjustment directions change correspondingly.
- the intensity distribution light flux of each collimated light is adjusted using the prism adjustment plate 41 and the prism adjustment plate 42 (STEP 24).
- the light intensity distribution of the light beam (second light beam) from the second semiconductor laser 102 and the light intensity distribution of the light beam (third light beam) from the third semiconductor laser 103 are elliptical distributions.
- the prism adjustment plate 41 provided with the prism 301 and the prism 302 so that the central axis in the elliptical minor axis direction, which is the narrower of these elliptical distributions, coincides with the central axis in the elliptical minor axis direction of the first light flux.
- the prism adjustment plate 42 is moved and adjusted with an eccentric pin in the X-axis direction.
- each of the first light beam, the second light beam, and the third light beam overlaps in the elliptical short axis direction and has a slight shift in the elliptical long axis direction, but the light intensity distribution in the elliptical long axis direction. No adjustment is performed because the areas that are transmitted through the aperture 53 overlap sufficiently.
- FIG. 4C shows the positional relationship between the adjustment target before the STEP 24 adjustment, the light intensity distribution of the first light flux adjusted in STEP 15, and the light intensity distribution of the second light flux and the third light flux.
- This is adjusted in STEP 24, and as shown in FIG. 4D, the central axis in the elliptical short axis direction in the light intensity distribution of the second light flux and the third light flux is the elliptical short axis direction in the light intensity distribution of the first light flux. It is adjusted to coincide with the center axis of.
- FIG. 5 is a diagram showing a flow of an adjustment method when assembling a conventional laser scanning device using three laser light sources.
- the adjustment points when assembling the conventional laser scanning device are two directions (two places) in STEP112, one direction (one place) in STEP113, and two directions (two places) in STEP114.
- There are a total of 15 adjustment points because it is generated by the laser light source, and there are a total of 6 additional points because 2 directions (2 places) in STEP 212 and 2 directions (2 places) in STEP 312 are generated by two laser light sources. In total, 21 adjustment points are generated.
- the adjustment method for assembling the laser scanning device according to the present invention reduces the number of adjustment points from 21 to 13 compared to the conventional adjustment method for assembling the laser scanning device using three laser light sources. be able to.
- the collimating lens (201, 202 and 203), the semiconductor laser (101, 102 and 103), the prism (301 and 302), the reflection mirror 401, and the aperture 53 are included. Since assembly is completed with a total of 10 fixed fixed points, the fixed points after adjustment are 12 in the conventional procedure, whereas in the present invention, the fixed points can be reduced to 10 in total.
- the laser scanning device using three laser light sources, there is a limit to the number of parts and miniaturization because it is necessary to configure a light source unit for each laser light source. Furthermore, in the conventional laser scanning device, there was a problem that the number of device steps for adjusting the light source section increased, but the laser scanning device according to the present invention is configured without providing an aperture for each laser light source. Can do. As a result, the laser scanning device can be realized with a simple configuration.
- the prism is shown as having a cube shape.
- the prism is not limited to this shape, and may be a plate shape, for example.
- the prism 301 or the prism 302 has a reflecting surface inclined at 45 degrees, and the light beam incident from the first direction ( ⁇ Y direction) is reflected in the second direction (vertical to the first direction ( The light beam reflected in the ⁇ X direction and transmitted from the third direction (the X direction) opposite to the second direction passes through the second direction (the ⁇ X direction).
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Abstract
Description
図1は、本実施の形態にかかるレーザー走査装置の横断面図である。図1においては3つのレーザー光源101、102、及び103が設けられている。また、レーザー光源102から出射されたレーザー光を集束光軸方向に変換するプリズム301とレーザー光源103から出射されたレーザー光を集束光軸方向に変換するプリズム302とが設けられている。ここで、図1では集束光軸Lは、X軸に平行な軸をとるように示している。図2は、本実施の形態にかかるレーザー走査装置をX-Z面で切断したときの縦断面図である。
301,302 プリズム
51 アパーチャー調整ホルダ
53 アパーチャー
500 走査ミラー
Claims (4)
- 光強度分布が楕円形状のレーザー光を出射する複数のレーザー光源と、
反射面を有し、それぞれの前記レーザー光源から入射された前記レーザー光を集束光軸方向に変換するプリズムと、
前記プリズムから出射された前記レーザー光を通過させる開口位置が所定の調整方向に調整可能に設けられたアパーチャーと、
前記アパーチャーを介して入射された前記プリズムからの前記レーザー光を走査位置に反射する走査ミラーと
を備え、
前記複数のレーザー光源は、それぞれが出射した前記レーザー光が前記アパーチャーに入射する位置での光強度分布の長軸方向が前記所定の調整方向になる向きで設けられた
ことを特徴とするレーザー走査装置。
- 前記走査ミラーと前記プリズムと前記アパーチャーとはそれぞれ一方向のみに可動域を有し、
前記プリズムの可動方向は、前記走査ミラーの可動方向に対して平行であり、
前記アパーチャーの可動方向は、前記走査ミラーの可動方向に対して垂直である
ことを特徴とする請求項1に記載のレーザー走査装置。
- 前記複数のレーザー光源は、それぞれが出射した前記レーザー光が前記アパーチャーに入射する位置での光強度分布の長軸方向が、前記アパーチャーの可動方向と平行になる向きで設けられるものであって、
前記複数のレーザー光源のうちの第1のレーザー光源は、前記第1のレーザー光源から出射した第1のレーザー光が、前記プリズムを介して前記集束光軸方向に合うように調整して設けられるものであり、
前記アパーチャーは、前記集束光軸方向に合うように調整された前記第1のレーザー光を通過したレーザー光が、所定の出射角度及び光束径になるように調整して設けられるものであり、
前記複数のレーザー光源のうち前記第1のレーザー光源と異なるレーザー光源は、出射したレーザー光が、プリズムを介して前記集束光軸方向に合うように調整して設けられるものであり、
前記プリズムは、前記集束光軸方向に合うように調整されたそれぞれの前記レーザー光が前記プリズムを介して前記アパーチャーを通過したときに、前記所定の出射角度及び光束径を満たして入射されるように調整して設けられるものである
ことを特徴とする請求項1または請求項2に記載のレーザー走査装置。
- 前記集束光軸と平行な回転軸から偏芯した位置で前記アパーチャーを保持し、前記回転軸を中心軸として前記アパーチャーを回転調整するアパーチャー調整ホルダを備える
ことを特徴とする請求項1から請求項3のいずれか1項に記載のレーザー走査装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/917,403 US9470889B2 (en) | 2013-09-09 | 2014-06-05 | Laser scanning device |
CN201480048855.XA CN105518512B (zh) | 2013-09-09 | 2014-06-05 | 激光扫描装置 |
DE112014004124.6T DE112014004124B4 (de) | 2013-09-09 | 2014-06-05 | Laserabtastvorrichtung |
JP2015535290A JP6045708B2 (ja) | 2013-09-09 | 2014-06-05 | レーザー走査装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2013186423 | 2013-09-09 | ||
JP2013-186423 | 2013-09-09 |
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WO2015033494A1 true WO2015033494A1 (ja) | 2015-03-12 |
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PCT/JP2014/002989 WO2015033494A1 (ja) | 2013-09-09 | 2014-06-05 | レーザー走査装置 |
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US (1) | US9470889B2 (ja) |
JP (1) | JP6045708B2 (ja) |
CN (1) | CN105518512B (ja) |
DE (1) | DE112014004124B4 (ja) |
WO (1) | WO2015033494A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017104565A1 (ja) * | 2015-12-16 | 2017-06-22 | 日本精機株式会社 | 光源装置および投影装置 |
JP2020013137A (ja) * | 2019-08-23 | 2020-01-23 | 株式会社ニコン | パターン露光装置 |
EP3761055A1 (en) | 2019-07-05 | 2021-01-06 | Ricoh Company, Ltd. | Optical scanner, object detector, and sensing apparatus |
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CN106707525B (zh) * | 2017-01-09 | 2020-12-15 | 上海柚子激光科技有限公司 | 一种双光束重合装置 |
JP6955932B2 (ja) * | 2017-08-25 | 2021-10-27 | 株式会社ディスコ | レーザービームプロファイラユニット及びレーザー加工装置 |
CN108873369B (zh) * | 2018-08-01 | 2023-12-26 | 珠海市运泰利自动化设备有限公司 | 一种调节光学器件的多轴机构 |
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DE112014004124T5 (de) | 2016-07-14 |
CN105518512A (zh) | 2016-04-20 |
JPWO2015033494A1 (ja) | 2017-03-02 |
US9470889B2 (en) | 2016-10-18 |
DE112014004124B4 (de) | 2022-03-03 |
US20160223810A1 (en) | 2016-08-04 |
CN105518512B (zh) | 2018-03-20 |
JP6045708B2 (ja) | 2016-12-14 |
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