JP2019096618A5 - - Google Patents
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- JP2019096618A5 JP2019096618A5 JP2019008248A JP2019008248A JP2019096618A5 JP 2019096618 A5 JP2019096618 A5 JP 2019096618A5 JP 2019008248 A JP2019008248 A JP 2019008248A JP 2019008248 A JP2019008248 A JP 2019008248A JP 2019096618 A5 JP2019096618 A5 JP 2019096618A5
- Authority
- JP
- Japan
- Prior art keywords
- light source
- fluorescence
- light
- laser light
- lens
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- OAICVXFJPJFONN-UHFFFAOYSA-N phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims 21
- 239000003365 glass fiber Substances 0.000 claims 4
- 230000004075 alteration Effects 0.000 claims 2
- 238000010348 incorporation Methods 0.000 claims 1
Claims (15)
前記光源部から照射された前記レーザ光を集光する集光レンズと、
前記集光レンズによって集光された前記レーザ光が照射されて蛍光を発する透光性蛍光体と、
を備え、
前記透光性蛍光体は、前記集光レンズによって前記レーザ光が集光された部分に形成される蛍光光源部を有し、
前記蛍光光源部が前記レーザ光の伝播方向に長い略筒状の形状を有するように、前記集光レンズと前記透光性蛍光体との位置関係が決められており、
前記蛍光光源部から発せられた前記蛍光の取り込みが可能な位置に配置された光ファイバが、前記光源部および前記集光レンズと直線上に配置されている、
光源装置。 A light source unit that emits laser light,
A condenser lens that condenses the laser light emitted from the light source unit,
A translucent phosphor that emits fluorescence when irradiated with the laser light condensed by the condenser lens,
Equipped with
The translucent phosphor has a fluorescent light source portion formed in a portion where the laser light is condensed by the condenser lens,
The fluorescent light source section has a substantially cylindrical shape long in the propagation direction of the laser light, the positional relationship between the condenser lens and the translucent phosphor is determined,
An optical fiber arranged at a position where the fluorescence emitted from the fluorescence light source unit can be taken in, is arranged on a straight line with the light source unit and the condenser lens,
Light source device.
前記光源部から照射された前記レーザ光を集光する集光レンズと、
前記集光レンズによって集光された前記レーザ光が照射されて蛍光を発する透光性蛍光体と、
前記蛍光光源部から発せられた前記蛍光の取り込みが可能な位置に配置された取込み用レンズと、
を備え、
前記透光性蛍光体は、前記集光レンズによって前記レーザ光が集光された部分に形成される蛍光光源部を有し、
前記蛍光光源部が前記レーザ光の伝播方向に長い略筒状の形状を有するように、前記集光レンズと前記透光性蛍光体との位置関係が決められており、
前記取込み用レンズが、前記光源部および前記集光レンズと直線上に配置されている、
光源装置。 A light source unit that emits laser light,
A condenser lens that condenses the laser light emitted from the light source unit,
A translucent phosphor that emits fluorescence when irradiated with the laser light condensed by the condenser lens,
An incorporation lens arranged at a position where the fluorescence emitted from the fluorescence light source unit can be captured,
Equipped with
The translucent phosphor has a fluorescent light source portion formed in a portion where the laser light is condensed by the condenser lens ,
The fluorescent light source section has a substantially cylindrical shape long in the propagation direction of the laser light, the positional relationship between the condenser lens and the translucent phosphor is determined,
The capturing lens is arranged in a straight line with the light source unit and the condenser lens ,
Light source apparatus.
前記光源部から照射された前記レーザ光を集光する集光レンズと、
前記集光レンズによって集光された前記レーザ光が照射されて蛍光を発する透光性蛍光体と、
前記透光性蛍光体において発せられた前記蛍光を集光する取込み用レンズと、
前記取込み用レンズにおいて集光された前記蛍光が第１端面に照射されるとともに、前記第１端面とは反対側の第２端面から前記蛍光を出射する光ファイバと、
を備え、
前記光源部の下流側に配置される前記集光レンズ、前記取込み用レンズおよび前記光ファイバが、直線上に配置されており、
前記透光性蛍光体は、前記集光レンズによって前記レーザ光が集光された部分に形成される蛍光光源部を有し、
前記蛍光光源部は、前記レーザ光の伝播方向に長い略筒状の形状を有するように、前記集光レンズと前記透光性蛍光体との位置関係が決められており、
前記取込み用レンズは、前記蛍光光源部から発せられた前記蛍光の取り込みが可能な位置に配置され、
前記光ファイバは、前記取込み用レンズを介して取り込まれた前記蛍光光源部から発せられた前記蛍光が、前記第１端面に入射される位置に配置されている、
光源装置。 A light source unit that emits laser light,
A condenser lens that condenses the laser light emitted from the light source unit,
A translucent phosphor that emits fluorescence when irradiated with the laser light condensed by the condenser lens,
An acquisition lens that collects the fluorescence emitted from the translucent phosphor;
An optical fiber that emits the fluorescence from a second end surface opposite to the first end surface while the fluorescence collected by the capturing lens is applied to the first end surface.
Equipped with
The condenser lens disposed on the downstream side of the light source unit, the capturing lens and the optical fiber are arranged on a straight line,
The translucent phosphor has a fluorescent light source portion formed in a portion where the laser light is condensed by the condenser lens,
The fluorescent light source unit, before Symbol to have a long substantially cylindrical shape the direction of propagation of the laser beam, the positional relationship between the translucent phosphor and the condensing lens are determined in,
The capturing lens is arranged at a position where the fluorescence emitted from the fluorescence light source unit can be captured,
The optical fiber is arranged at a position where the fluorescence emitted from the fluorescence light source unit taken in via the taking lens is incident on the first end face ,
Light source apparatus.
請求項１から３のいずれか１項に記載の光源装置。 The laser light is condensed on the surface or inside of the translucent phosphor by the condenser lens.
The light source device according to claim 1.
請求項１から４のいずれか１項に記載の光源装置。 In the fluorescent light source section, a radius of a circle of a cross section perpendicular to a propagation direction of the laser light in a portion where the laser light is condensed by the condenser lens is larger than that in a portion where the laser light is condensed. Also smaller than the radius of the circle of the cross section on the incident side or the emission side of the laser light ,
The light source device according to claim 1.
請求項２または３に記載の光源装置 The uptake lens, said one of the fluorescence emitted from the fluorescent light source unit, the claims fluorescence uptake is disposed possible positions 2 or 3 that emits light in the depth of field of the capture lens Light source device described in
請求項２または３に記載の光源装置。 The taking-in lens is arranged with its central axis aligned with the central axis of the laser propagation of the laser light passing through the translucent phosphor.
The light source device according to claim 2 or 3 .
請求項１から７のいずれか１項に記載の光源装置。 The translucent phosphor has a convex curved surface on at least one of an incident surface on which the laser light is incident and an emission surface on which the fluorescence is emitted,
The light source device according to claim 1.
請求項１から８のいずれか１項に記載の光源装置。 The translucent phosphor is a single crystal phosphor.
The light source device according to claim 1.
請求項１から９のいずれか１項に記載の光源装置。 It is arranged on the incident surface side of the translucent phosphor and transmits the laser light emitted from the light source unit, and on the incident surface side of the fluorescence emitted in the translucent phosphor. Further comprising a concave mirror that reflects the emitted fluorescence toward the translucent phosphor,
The light source device according to claim 1.
請求項１から９のいずれか１項に記載の光源装置。 It is arranged on the emission surface side of the translucent phosphor, reflects the laser light emitted from the light source unit and passed through the translucent phosphor, and is emitted from the translucent phosphor. Of the fluorescence, further comprises a concave mirror that transmits the fluorescence emitted to the emission surface side,
The light source device according to claim 1.
請求項１０または１１に記載の光源装置。 The concave mirror has a spherical surface or an aspherical surface centered on a condensing point of the laser light condensed by the condensing lens,
The light source device according to claim 10.
請求項１０から１２のいずれか１項に記載の光源装置。 The concave mirror is a dichroic mirror, or a perforated mirror having an opening,
The light source device according to claim 10.
前記光源装置から照射された光の反射光を受光する受光部と、
前記受光部において受光した光の量に基づいて対象物までの距離を測定する測定部と、
を備えている測距センサ。 The light source device according to claim 1,
A light receiving unit for receiving the reflected light of the light emitted from the light source device,
A measuring unit that measures a distance to an object based on the amount of light received in the light receiving unit,
Distance measuring sensor equipped with.
前記受光部は、前記色収差焦点レンズを介して前記対象物に照射された前記蛍光の反射光を受光するとともに、
前記測定部は、前記受光部における受光量が最大となる前記蛍光の波長に基づいて、前記対象物までの距離を測定する、
請求項１４に記載の測距センサ。 The light source device emits fluorescence including a plurality of wavelengths, and further has a chromatic aberration focusing lens configured so that the fluorescence passes through,
The light receiving unit receives the reflected light of the fluorescence emitted to the object through the chromatic aberration focusing lens,
The measuring unit measures the distance to the target object based on the wavelength of the fluorescence that maximizes the amount of light received by the light receiving unit,
The distance measuring sensor according to claim 14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019008248A JP6888638B2 (en) | 2019-01-22 | 2019-01-22 | Light source device and ranging sensor equipped with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019008248A JP6888638B2 (en) | 2019-01-22 | 2019-01-22 | Light source device and ranging sensor equipped with it |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2017114291A Division JP6471772B2 (en) | 2017-06-09 | 2017-06-09 | Light source device and distance measuring sensor provided with the same |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2019096618A JP2019096618A (en) | 2019-06-20 |
| JP2019096618A5 true JP2019096618A5 (en) | 2020-06-25 |
| JP6888638B2 JP6888638B2 (en) | 2021-06-16 |
Family
ID=66973035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2019008248A Active JP6888638B2 (en) | 2019-01-22 | 2019-01-22 | Light source device and ranging sensor equipped with it |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP6888638B2 (en) |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5496597B2 (en) * | 2008-10-21 | 2014-05-21 | 株式会社ミツトヨ | High intensity pulse broadband light source structure |
| DE102010034054A1 (en) * | 2010-08-11 | 2012-02-16 | Schott Ag | Laser-based white light source |
| JP5830340B2 (en) * | 2011-10-11 | 2015-12-09 | オリンパス株式会社 | Light source device |
| JP5723252B2 (en) * | 2011-10-13 | 2015-05-27 | 株式会社沖データ | Image forming unit and image forming apparatus |
| JP2013120735A (en) * | 2011-12-08 | 2013-06-17 | Sharp Corp | Light source device |
| JP5994504B2 (en) * | 2012-09-14 | 2016-09-21 | オムロン株式会社 | Confocal measuring device |
| JP6497544B2 (en) * | 2015-01-28 | 2019-04-10 | 日本電気硝子株式会社 | Crystallized glass phosphor and wavelength conversion member using the same |
| JP6588564B2 (en) * | 2015-04-01 | 2019-10-09 | シグニファイ ホールディング ビー ヴィ | High brightness light emitting device |
| WO2017038176A1 (en) * | 2015-09-03 | 2017-03-09 | シャープ株式会社 | Light emission body and illumination device |
| JP6482993B2 (en) * | 2015-09-04 | 2019-03-13 | シャープ株式会社 | Lighting device |
| JP6444837B2 (en) * | 2015-09-11 | 2018-12-26 | マクセル株式会社 | Light source device |
| WO2017090675A1 (en) * | 2015-11-27 | 2017-06-01 | 三菱電機株式会社 | Light source device, illumination device, and vehicle lamp |
-
2019
- 2019-01-22 JP JP2019008248A patent/JP6888638B2/en active Active
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