WO2017084504A1 - 一种光源系统及照明装置 - Google Patents

一种光源系统及照明装置 Download PDF

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Publication number
WO2017084504A1
WO2017084504A1 PCT/CN2016/104696 CN2016104696W WO2017084504A1 WO 2017084504 A1 WO2017084504 A1 WO 2017084504A1 CN 2016104696 W CN2016104696 W CN 2016104696W WO 2017084504 A1 WO2017084504 A1 WO 2017084504A1
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Prior art keywords
light
unit
laser
excitation light
convex lens
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English (en)
French (fr)
Inventor
郭祖强
胡飞
李屹
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Shenzhen Appotronics Corp Ltd
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Appotronics Corp Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F21V5/008—Combination of two or more successive refractors along an optical axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens shape

Definitions

  • the present application relates to the field of illumination, and in particular to a light source system and a lighting device.
  • lighting devices using LEDs or light bulbs as light sources are being used more and more widely.
  • Such lighting devices are generally used as stage lights, theater lights, searchlights, and the like.
  • LED light source has good reliability and color performance, but it is limited by the large amount of optical expansion, and its optical energy density per unit area is limited. In some applications, such as where it is desired to obtain a small divergence angle of the beam lamp, It is required that the beam divergence angle is small and the light energy is concentrated, so that the LED light source cannot achieve a good effect.
  • the bulb light source can achieve the above-mentioned optical effects, but the bottleneck lies in the life span. The life of the bulb source is generally only a few hundred to one thousand or two thousand hours, which greatly limits its application and promotion.
  • a light source system includes an excitation light generating unit for emitting excitation light, and a first light condensing unit for concentrating excitation light emitted by the excitation light generating unit; a device for performing a homogenizing process on the excitation light emitted by the excitation light generating unit; a laser generating unit for generating the laser light under the irradiation of the excitation light; and a second light collecting unit for generating the laser generating unit The laser is concentrated.
  • the first light concentrating unit includes a first convex lens and a second convex lens, and the light homogenizing device is located between the first convex lens and the second convex lens.
  • the first light concentrating unit includes a third convex lens and a first concave lens.
  • the laser-receiving unit is of a reflective type that generates a laser beam upon irradiation of the concentrated excitation light and emits the laser light in a direction opposite to the incident direction of the excitation light.
  • the system further includes a region splitting unit; the region splitting unit is configured to transmit/reflect the excitation light subjected to the collimation processing and the homogenizing treatment so as to be irradiated to the laser light generating unit, and to reflect/transmit the laser light generated by the laser generating unit.
  • the laser-generating unit is of a transmissive type that generates laser light under the illumination of the concentrated excitation light and emits the laser light in the same direction as the incident direction of the excitation light
  • the second light concentrating unit includes A fourth convex lens and a fifth convex lens disposed on the light path emitted by the laser light.
  • a lighting device comprising the above-described light source system, further comprising: a shaping unit having a hole of a predetermined shape, the shaping unit being disposed at a light beam emitted from the second light collecting unit The light path is used to pass the light beam through a hole of a predetermined shape; the light exit lens unit is disposed on the optical path of the light beam emitted by the shaping unit, and is used for collimating the light beam emitted from the shaping unit and then exiting.
  • the light source system of the present invention can remotely excite the laser generating unit by the excitation light as a light source, and can replace the conventional light source and the bulb light source with the LED as the light emitting element, and the emitted light beam has a smaller divergence angle and better color uniformity. Sex.
  • FIG. 1 is a schematic structural view of a light source system of Embodiment 1;
  • FIG. 2 is a schematic structural view of a light source system of Embodiment 2;
  • Embodiment 3 is a schematic structural view of a light source system of Embodiment 3;
  • FIG. 4 is a schematic structural view of a light source system of Embodiment 4.
  • the light beam emitted from the illumination source is required to have characteristics such as small divergence angle and high color uniformity, and in order to improve light utilization efficiency, the spot of the light beam emitted from the illumination source is required to be a circular spot.
  • a laser is used to excite a laser to form a light source.
  • the laser light is excited by a laser to obtain an illumination source that meets the above requirements by utilizing the advantage of a small amount of optical expansion of the laser beam.
  • ordinary laser-excited lasers do not meet the above requirements.
  • ordinary lasers and laser-formed light sources are not suitable as illumination sources.
  • the excitation light and the laser light are processed by the laser, so that the excitation light and the light source formed by the laser light can be used as an illumination source.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • the light source system of the embodiment includes an excitation light generating unit 101, a first light concentrating unit, and a third light concentrating unit which are sequentially disposed along the optical path. 1061.
  • the light source system of the present embodiment is combined with a shaping unit (also referred to herein as a pattern gobo) 109 and an exit lens unit (also referred to herein as a lens module) 110 to form a lighting device.
  • a shaping unit also referred to herein as a pattern gobo
  • an exit lens unit also referred to herein as a lens module
  • the first light concentrating unit of the embodiment includes a first convex lens 102 and a second convex lens 104.
  • the second light concentrating unit includes a fourth convex lens 1062 and a fifth convex lens 108, and the third light concentrating unit 1061 is a convex lens.
  • the laser-receiving unit 107 may be a phosphor device, such as a stationary phosphor film, or a rotating color wheel or the like.
  • the excitation light generating unit 101 may adopt a blue laser light source, and the emitted blue laser light is concentrated by the first convex lens 102 to the entrance of the light homogenizing device 103.
  • the light homogenizing device 103 may be, for example, a cylindrical integrator rod, and passed through the light homogenizing device.
  • the light beam of 103 forms a uniform spot distributed in a circular shape at the exit of the light homogenizing device 103, and the light spot passes through the second convex lens 104 until it reaches the lens 1061 and is concentrated to the transmissive laser light generating unit 107, which is generated by the laser generating unit 107.
  • the excitation light generated by the excitation light generating unit 101 is concentrated on the one hand by the first light collecting unit to become a very small spot.
  • the smaller the spot the more the emission angle of the laser beam generated by the laser generating unit is. Small, so that the light source system of the present embodiment conforms to the characteristic that the divergence angle required for the illumination source is small.
  • the excitation light generated by the excitation light generating unit 101 is subjected to a homogenizing process by the homogenizing device 103, so that the color distribution of the light beam is uniform, and the uniformity of the color of the excitation light ensures the uniformity of the color of the laser light, thereby making the embodiment
  • the light source system meets the characteristics of good color uniformity required by the illumination source.
  • the laser-receiving unit 107 of the present embodiment can generate white light by color matching of the coated phosphor and the excitation light, for example, the laser generating unit is coated with a yellow phosphor, and the blue laser excites the yellow phosphor to generate blue light and yellow.
  • the fluorescent mixed light is white light.
  • the laser-generating unit 107 adopts a transmissive type, and the laser light generated by the laser generating unit 107 is emitted in a direction that coincides with the incident direction of the excitation light, and the laser beam is collimated at the fourth convex lens 1062, and then The fifth convex lens 108 is concentrated to the pattern gobo109.
  • the pattern gobo109 of the present embodiment is circular.
  • the beam shaped by the pattern gobo109 is finally imaged by the lens module 110 to the far field, and becomes a white light beam with a small divergence angle.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • the light source system of the present embodiment includes an excitation light generating unit 201, a first light concentrating unit, a light concentrating device 203, and a regional beam splitting unit (also referred to as a region beam splitter) 205, which are sequentially disposed along the optical path.
  • the laser generating unit 207 and the second light collecting unit are received.
  • the light source system of this embodiment is combined with the shaping unit 209 and the light exit lens unit 210 to form a complete lighting device.
  • the laser-receiving unit 207 in this embodiment adopts a reflection type, and a regional beam splitting unit 205 is added.
  • the first light concentrating unit of the embodiment includes a first convex lens 202 and a second convex lens 204, and the light homogenizing device 203 is disposed between the first convex lens 202 and the second convex lens 204.
  • the first light concentrating unit is configured to collimate the incident excitation light into mutually collimated collimated beams, the lens of which enables the excitation light to become a parallel beam with a reduced pitch, and the homogenizing device 203 enables the excitation light to become a uniform beam.
  • the excitation light generating unit 201 may employ a laser light source that emits a laser such as a blue laser light that can excite the phosphor to emit light.
  • the laser-receiving unit 207 may be a phosphor device, such as a stationary phosphor chip, or a rotating color wheel or the like. If the color wheel is used, the color wheel can adopt red, green and blue color sub-color segments, and can also adopt blue, yellow, green, red, or green, magenta segments, and can also use a blue light source with a yellow segment, or The red light source is matched with a cyan segment.
  • the laser light emitted by the color wheel is a sequence of color light.
  • the second light concentrating unit of the present embodiment includes a fourth convex lens 206 and a fifth convex lens 208.
  • the area beam splitting unit 205 transmits the excitation light and reflects the received laser light, so the fourth convex lens 206 and the fifth convex lens 208 are disposed in the same area of the area beam splitting unit 205. Side, as shown in Figure 2.
  • the light source system of the embodiment uses the laser to remotely excite the phosphor as a light source, and the principle of the illumination process is as follows:
  • the excitation light generating unit 201 uses, for example, an array blue laser light source, and the blue laser light emitted from the lens is concentrated by the lens 202 to the entrance of the light homogenizing device 203.
  • the light homogenizing device 203 is a cylindrical integrator rod that passes through the light homogenizing device 203.
  • the beam forms a uniform spot that is circularly distributed at the exit of the leveling device 203. If the pattern gobo 209 of the embodiment is a predetermined pattern shape such as a circle or a hexagon, the circular spot formed at the exit of the light homogenizing device 203 can better match the pattern shape of the pattern gobo 209, thereby reducing Light loss at the small pattern gobo209.
  • the spot is collimated by the lens 204 and passes through the central region of the area beam splitter 205.
  • the center of the area beam splitter 205 of the present embodiment transmits blue light, and the transmitted blue light is concentrated by the lens 206 to the reflective phosphor device.
  • the fluorescence of this embodiment The powder device is coated with a yellow phosphor, and the blue laser excites the yellow phosphor to produce a mixed light of blue light and yellow fluorescence, that is, white light, which is emitted by the phosphor device in a direction opposite to the incident direction of the excitation light.
  • the white light beam is collimated at the lens 206 and reaches the area beam splitter 205.
  • the center of the area beam splitter 205 transmits blue light and reflects the rest of the light.
  • the rest of the area beam splitter 205 reflects all the light, so the blue light has a portion in the center of the area beam splitter. loss.
  • the white light reflected by the regional beam splitter 205 is then concentrated by the lens 208 to the pattern gobo209.
  • the beam shaped by the pattern gobo209 is finally imaged by the lens module 210 to the far field, and becomes a white light beam with a small divergence angle, for example, becomes a bundle.
  • a white light beam having a divergence angle of less than 1° is distinguished from an existing light source having an LED as a light-emitting element, and the white light beam has good directivity, color uniformity, and high brightness.
  • the area beam splitter 205 of this embodiment may be circular, the central area thereof is also circular, and the area beam splitter 205 may take other shapes.
  • Embodiment 3 is a diagrammatic representation of Embodiment 3
  • the light source system of the present embodiment includes an excitation light generating unit 301, a first convex lens 302, a light homogenizing device 303, a second convex lens 304, a regional beam splitting unit 305, and a fourth convex lens 306 which are sequentially disposed along the optical path.
  • the light source system of this embodiment is combined with the shaping unit 309 and the light exit lens unit 310 to form a complete illumination device.
  • the difference in this embodiment is that the area beam splitter 305 of the embodiment is reflective, that is, the center of the area beam splitter 305 reflects the excitation light and transmits the remaining light, and the rest of the area beam splitter 305 All of the light is transmitted, and thus the fourth convex lens 306 and the fifth convex lens 308 are respectively disposed on both sides of the area beam splitting unit 305 as shown in FIG.
  • the principle of the light-emitting system of the present embodiment differs from that of the second embodiment in that the excitation light collimated by the lens 304 reaches the central region of the area beam splitter 305 to be reflected, and the reflected blue light is concentrated by the lens 306.
  • the blue laser excites the yellow phosphor to produce a mixed light of blue light and yellow fluorescence, that is, white light, which is emitted by the phosphor device, and the white light beam is collimated at the lens 306 and reaches the region.
  • the beam splitter 305 reflects the blue light at the center of the area beam splitter 305 and transmits the remaining light.
  • the rest of the area beam splitter 305 transmits all the light, so the blue light is partially lost in the center of the area beam splitter.
  • the rest of the principle of the light-emitting process of the light source system in this embodiment is the same as that of the second embodiment, and therefore will not be described again.
  • Embodiment 4 is a diagrammatic representation of Embodiment 4:
  • the light source system of the present embodiment includes a blue laser 401, a first light concentrating unit, a light concentrating device 404, a regional beam splitter 405, a fourth convex lens 406, a phosphor device 407, and a fifth, which are sequentially disposed along the optical path.
  • the light source system of this embodiment is combined with the pattern gobo 409 and the lens module 410 to form a complete illumination device.
  • the first embodiment is different in that the first light concentrating unit of the embodiment includes a third convex lens 402 and a first concave lens 403, and the light homogenizing device is a diffusion sheet 404.
  • the principle of the light-emitting process of the light source system of the present embodiment is different from that of the third embodiment in that the blue laser light emitted from the blue laser 401 is concentrated by the third convex lens 402 to the first concave lens 403, and is compressed by the concave lens 403.
  • the collimated beam passes through the diffusion sheet 404 and becomes a beam having a certain divergence angle and is emitted to a central region of the area beam splitter.
  • the rest of the principle of the light-emitting process of the light source system in this embodiment is the same as that of the third embodiment, and therefore will not be described again.
  • the scattering sheet 404 is used, and the collimated light beam compressed by the positive and negative lenses (ie, the concave lens and the convex lens) is homogenized by the diffusion sheet 404 to diffuse the spot formed on the phosphor device 407 due to the diffusion sheet.
  • the scattering characteristic of 404 is rotationally symmetric, so the spot on the phosphor device 407 is approximately circular.
  • the scattering sheet 404 is generally selected to have a Gaussian scattering characteristic, so that the spot formed on the phosphor device 407 is a Gaussian spot, and a Gaussian distribution is formed in the far field through the pattern gobo409 and the final lens module 410. Spot.
  • the emitted light has a small divergence angle, color uniformity, and color temperature uniformity, and the brightness uniformity is not excessively high, so that the energy of the beam edge is not too small, resulting in the beam appearing.
  • This embodiment can be used to obtain a Gaussian spot by using a Gaussian scattering sheet.
  • the brightness distribution is not uniform, it can satisfactorily meet the requirements in terms of beam divergence angle and color uniformity. The perfect match.
  • the shaping unit and the light-emitting lens unit are generally used in combination with the light source system, the shaping unit and the light-emitting lens unit itself can be separately produced/manufactured, and the shaping unit and the light-emitting lens unit are not the light source system of the present invention.
  • the necessary components therefore, in the case of a person skilled in the art using the technical solution of the present invention to manufacture the light source system without manufacturing the shaping unit and the light-emitting lens unit, it still constitutes an infringement of the present invention.
  • the light beam passing through the light homogenizing device forms a uniform spot with a circular or approximately circular distribution at the exit of the light homogenizing device, such a design that the circular spot can be better with the pattern gobo
  • the pattern shapes match, thereby reducing the loss of light at the pattern gobo.
  • the light-shaping device may also emit light spots of other shapes.
  • the light source system of the invention adopts a laser light source, and utilizes the advantage of small optical expansion of the laser beam to excite the phosphor with a small spot, so that the generated fluorescent light beam also has a small optical expansion amount and can be concentrated to a small pattern.
  • the present invention can satisfy the demand for a beam illumination lamp.
  • the light source system of the invention also has the characteristics of flexible design according to actual conditions, thereby providing more choices for the technician to specifically design various parts.
  • the phosphor device can be transmissive or reflective; the regional beam splitter can use the central region to transmit excitation light, reflect the laser light, or use the central region to reflect the excitation light and transmit the laser light; for different excitation light energy densities
  • the phosphor device may be a fixed phosphor sheet or a rotating color wheel.
  • the light source system of the present invention is different from the existing light source in which the LED is a light-emitting element, and the emitted light beam has better directivity, color uniformity, and high brightness.
  • the invention replaces the traditional illumination source with the semiconductor laser as the excitation light source and the excitation phosphor as the light source.
  • the laser has the advantages of high energy density and small optical expansion, and the phosphor is excited to generate high-efficiency fluorescence, and the high energy density can be obtained.
  • the light source which is used in the field of illumination, especially in the case of high beam quality requirements, has an absolute advantage. Therefore, the novel light source system applied in the field of illumination provided by the present invention is particularly suitable for applications where the beam quality requirements are relatively high, and has a good generalization effect on the application field of the extended laser phosphor light source.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Semiconductor Lasers (AREA)

Abstract

一种光源系统及照明装置，其包括激发光产生单元（101，201，301，401），用于发射激发光；第一光汇聚单元，用于对激发光进行汇聚处理；匀光装置（103，203，303，404），用于对激发光进行匀光处理；受激光产生单元（107，207，307，407），用于在激发光的照射下产生受激光；第二光汇聚单元，用于将受激光汇聚到整形单元（109，209，309，409）；整形单元（109，209，309，409），用于将受激光的光束形状整形为设定的图案形状；出光镜头单元（110，210，310，410），用于接收被整形的受激光并将其出射。光源系统通过激发光远程激发受激光产生单元（107，207，307，407）的方式作为光源，可以替代传统的以LED作为发光元件的光源和灯泡光源，其出射的光束具有更好的方向性、颜色均匀性以及高亮度。

Description

一种光源系统及照明装置 技术领域
本申请涉及照明领域，尤其涉及一种光源系统及照明装置。
 背景技术
目前，以LED或者灯泡为光源的照明装置正得到越来越广泛的应用，这样的照明装置一般用作舞台灯、剧院灯、探照灯等。
技术问题
LED光源具有很好的可靠性和颜色性能，但受限于光学扩展量较大，其单位面积的光能量密度有限，在某些应用领域，例如希望得到光束灯的发散角很小的场合，要求光束发散角小，光能量集中，则LED光源不能实现很好的效果。灯泡光源可以实现上述要求的光学效果，但其瓶颈在于寿命，灯泡光源寿命一般只有几百到一两千小时，这大大限制了其应用和推广。
 技术解决方案
根据本发明的一方面，提供一种光源系统，其包括激发光产生单元，用于发射激发光；第一光汇聚单元，用于对激发光产生单元所发射的激发光进行汇聚处理；匀光装置，用于对激发光产生单元所发射的激发光进行匀光处理；受激光产生单元，用于在激发光的照射下产生受激光；第二光汇聚单元，用于将受激光产生单元产生的受激光进行汇聚处理。
在一种实施方式中，第一光汇聚单元包括第一凸透镜和第二凸透镜，匀光装置位于第一凸透镜和第二凸透镜之间。
在一种实施方式中，第一光汇聚单元包括第三凸透镜和第一凹透镜。
在一种实施方式中，受激光产生单元为反射式，其在被汇聚的激发光的照射下产生受激光并将受激光朝与激发光入射方向相反的方向出射。系统还包括区域分光单元；区域分光单元用于透射/反射经过准直处理和匀光处理的激发光从而使其照射到受激光产生单元，并对受激光产生单元产生的受激光进行反射/透射。
在一种实施方式中，受激光产生单元为透射式，其在被汇聚的激发光的照射下产生受激光并将受激光朝与激发光入射方向相同的方向出射，第二光汇聚单元包括依次设置在受激光出射的光路上的第四凸透镜和第五凸透镜。
根据本发明的第二方面，提供一种照明装置，其包括上述任一项光源系统；还包括：整形单元，其具有预设形状的孔，整形单元设置在第二光汇聚单元出射的光束的光路上，用于使光束通过预设形状的孔；出光镜头单元，其设置在整形单元出射的光束的光路上，用于对整形单元出射的光束进行准直处理后出射。
 有益效果
本发明的光源系统通过激发光远程激发受激光产生单元的方式作为光源，可以替代传统的以LED作为发光元件的光源和灯泡光源，其出射的光束具有更小的发散角和更好的颜色均匀性。
 附图说明
图1为实施例一的光源系统的结构示意图；
图2为实施例二的光源系统的结构示意图；
图3为实施例三的光源系统的结构示意图；
图4为实施例四的光源系统的结构示意图。
 本发明的最佳实施方式
在某些需要光束照射的场合，要求照射光源发出的光束具备发散角小、颜色均匀性高等特性，另外，为了提高光的利用效率，要求照射光源发出的光束的光斑为圆形光斑。
本发明实施例中采用激光激发出受激光的方式形成光源，其中，利用激光光束光学扩展量小的优势，通过激光激发出受激光，最终形成符合上述要求的照射光源。但普通的激光激发出的受激光并不符合上述要求，换言之，普通的激光和受激光形成的光源并不适合用作照射光源。本发明实施例通过对激光器发出的激发光和受激光进行处理，使得激发光和受激光形成的光源可用作照射光源，下面通过具体实施方式结合附图对本申请作进一步详细说明。
实施例一：
如图1所示，本实施例的光源系统，包括沿光路依次设置的激发光产生单元101、第一光汇聚单元、第三光汇聚单元 1061、受激光产生单元107、第二光汇聚单元。
本实施例的光源系统与整形单元（本文中也称为图案gobo）109、出光镜头单元（本文中也称为镜头模组）110组合从而组成照明装置。
本实施例的第一光汇聚单元包括第一凸透镜102和第二凸透镜104。第二光汇聚单元包括第四凸透镜1062和第五凸透镜108，第三光汇聚单元1061为凸透镜。
受激光产生单元107可以是荧光粉装置，例如固定式的荧光粉片，也可以采用旋转色轮等。
激发光产生单元101可以采用蓝色激光光源，其发出的蓝色激光经过第一凸透镜102汇聚到匀光装置103的入口处，匀光装置103例如可为圆柱形的积分棒，经过匀光装置103的光束在匀光装置103出口处形成一个呈圆形分布的均匀光斑，光斑通过第二凸透镜104准直到达透镜1061并被汇聚到透射式受激光产生单元107处，受激光产生单元107产生受激光。本实施例中，激发光产生单元101产生的激发光一方面经第一光汇聚单元汇聚后成为一个非常小的光斑，光斑越小，照射在受激光产生单元上产生的受激光的发射角越小，从而使得本实施例的光源系统符合照射光源所要求的发散角小的特性。另一方面，激发光产生单元101产生的激发光经匀光装置103进行匀光处理，使得光束的颜色分布均匀，激发光颜色的均匀性保证了受激光颜色的均匀性，从而使得本实施例的光源系统符合照射光源所要求的颜色均匀性好的特性。
另外，本实施例的受激光产生单元107可通过涂布的荧光粉和激发光的颜色配合产生白光，例如受激光产生单元上涂有黄色荧光粉，蓝色激光激发黄色荧光粉产生蓝光和黄色荧光的混合光即白光。
本实施例中，受激光产生单元107采用透射式，受激光产生单元107产生的受激光朝着与激发光入射方向一致的方向出射，受激光束在第四凸透镜1062处被准直，再经第五凸透镜108汇聚到图案gobo109，本实施例的图案gobo109为圆形，经过图案gobo109整形后的光束最终通过镜头模组110成像到远场，成为一束发散角很小的白光光束。
实施例二：
如图2所示，本实施例的光源系统包括沿光路依次设置的激发光产生单元201、第一光汇聚单元、匀光装置203、区域分光单元（本文中也称为区域分光片）205、受激光产生单元207、第二光汇聚单元。
本实施例的光源系统与整形单元209、出光镜头单元210组合从而构成一个完整的照明装置。
与实施例一相比，本实施例中的受激光产生单元207采用反射式，并新增了区域分光单元205。
本实施例的第一光汇聚单元包括第一凸透镜202和第二凸透镜204，匀光装置203设置于第一凸透镜202和第二凸透镜204之间。第一光汇聚单元用于将入射的激发光准直为相互平行的准直光束，其透镜能使激发光变为间距减小的平行光束，匀光装置203能使激发光变为均匀光束。
激发光产生单元201可以采用激光光源，其发出能够激发荧光粉发光的激光例如蓝色激光。
受激光产生单元207可以是荧光粉装置，例如固定式的荧光粉片，也可以采用旋转色轮等。若采用色轮，则色轮可采用红、绿、蓝三基色色段，也可采用蓝、黄色段，青、红色段，或者绿、品红色段，还可采用蓝光光源搭配黄色段，或者红光光源搭配青色段等。色轮出射的受激光则为色光序列。
本实施例的第二光汇聚单元包括第四凸透镜206和第五凸透镜208，区域分光单元205透过激发光并反射受激光，因此第四凸透镜206和第五凸透镜208设置在区域分光单元205的同一侧，如图2所示。
为满足光束照明灯的需求，本实施例的光源系统通过激光远程激发荧光粉的方式作为光源，其发光过程的原理如下：
激发光产生单元201例如用阵列式蓝色激光光源，其发出的蓝色激光经过透镜202汇聚到匀光装置203的入口处，匀光装置203为圆柱形的积分棒，经过匀光装置203的光束在匀光装置203出口处形成一个呈圆形分布的均匀光斑。本实施例的图案gobo209为某种预设的图案形状例如圆形或六边形，则在匀光装置203出口处形成的圆形光斑能更好地与图案gobo209的图案形状相匹配，从而减小图案gobo209处的光损失。
光斑通过透镜204准直并通过区域分光片205的中心区域，本实施例的区域分光片205的中心透射蓝光，被透射的蓝光被透镜206汇聚到反射式荧光粉装置处，本实施例的荧光粉装置上涂有黄色荧光粉，蓝色激光激发黄色荧光粉产生蓝光和黄色荧光的混合光即白光后由荧光粉装置朝着与激发光入射方向相反的方向出射。
白光光束在透镜206处被准直并到达区域分光片205，区域分光片205中心透射蓝光并反射其余光，区域分光片205的其余部分反射所有光，因此蓝光在区域分光片的中心会有部分损失。
经过区域分光片205反射的白光再经透镜208汇聚到图案gobo209，经过图案gobo209整形后的光束最终通过镜头模组210成像到远场，成为一束发散角很小的白光光束，例如成为一束发散角在1°以内的白光光束，区别于现有的以LED为发光元件的光源，该白光光束具有较好的方向性、颜色均匀性以及高亮度。
本实施例的区域分光片205可以是圆形，其中心区域也为圆形，区域分光片205还可以采取其它形状。
实施例三：
如图3所示，本实施例的光源系统包括沿光路依次设置的激发光产生单元301、第一凸透镜302、匀光装置303、第二凸透镜304、区域分光单元305、第四凸透镜306、受激光产生单元307、第五凸透镜308。
本实施例的光源系统与整形单元309、出光镜头单元310组合从而构成一个完整的照明装置。
与实施例二相比，本实施例的不同之处在于，本实施例的区域分光片305为反射式，即区域分光片305的中心反射激发光并透射其余光，区域分光片305的其余部分透射所有光，因此第四凸透镜306和第五凸透镜308分别设置在区域分光单元305的两侧，如图3所示。
因此，本实施例的光源系统发光过程的原理与实施例二的不同之处在于，经透镜304准直的激发光到达区域分光片305的中心区域从而被反射，被反射的蓝光经透镜306汇聚到作为受激光产生单元的反射式荧光粉装置处，蓝色激光激发黄色荧光粉产生蓝光和黄色荧光的混合光即白光后由荧光粉装置出射，白光光束在透镜306处被准直并到达区域分光片305，区域分光片305中心反射蓝光并透射其余光，区域分光片305的其余部分透射所有光，因此蓝光在区域分光片的中心会有部分损失。本实施例光源系统发光过程原理的其余部分与实施例二一致，故不再赘述。
实施例四：
如图4所示，本实施例的光源系统包括沿光路依次设置的蓝光激光器401、第一光汇聚单元、匀光装置404、区域分光片405、第四凸透镜406、荧光粉装置407、第五凸透镜408。
本实施例的光源系统与图案gobo409、镜头模组410组合从而构成一个完整的照明装置。
与实施例三相比，本实施例的不同之处在于，本实施例的第一光汇聚单元包括第三凸透镜402和第一凹透镜403，匀光装置为散射片404。
因此，本实施例的光源系统发光过程的原理与实施例三的不同之处在于，蓝光激光器401发出的蓝色激光经第三凸透镜402汇聚到第一凹透镜403处，经凹透镜403后成为被压缩的准直光束，该准直光束通过散射片404后成为具有一定发散角的光束并发射到区域分光片的中心区域。本实施例光源系统发光过程原理的其余部分与实施例三一致，故不再赘述。
本实施例采用散射片404，将经过正负透镜（即凹透镜、凸透镜）压缩过的准直光束通过散射片404进行匀光，从而将成像到荧光粉装置407上的光斑进行扩散，由于散射片404的散射特性为旋转对称，因此荧光粉装置407上的光斑近似为圆形。结合实际情况，一般散射片404选用具有高斯散射特性的散射片，因此在荧光粉装置407上形成的光斑为高斯光斑，通过图案gobo409以及最后的镜头模组410后在远场形成具有高斯分布的光斑。对于光束照明灯来说，一般要求出射光具有较小的发散角、颜色均匀性及色温均匀性等，而对于亮度均匀性无过高要求，只需光束边缘的能量不要太小而导致光束显得比较虚即可，本实施例利用这一特点，可以采用高斯散射片得到高斯光斑，亮度分布虽不均匀，但在光束发散角、颜色均匀性等方面均能很好地满足要求，是一种完美的匹配。
本领域技术人员应当理解，虽然整形单元、出光镜头单元通常都要和光源系统搭配使用，但整形单元、出光镜头单元本身可以单独生产/制造，并且整形单元、出光镜头单元并非本发明的光源系统的必要组成部分，因此，在本领域技术人员采用本发明的技术方案制造光源系统而不制造整形单元、出光镜头单元的情况下，其仍然构成对本发明的侵权。
本发明各实施例的光源系统，其经过匀光装置的光束在匀光装置出口处形成一个呈圆形或近似圆形分布的均匀光斑，这样的设计使得圆形光斑能更好地与图案gobo的图案形状相匹配，从而减小了图案gobo处光的损失。当然，本领域技术人员应当理解，在其他的实施例中，匀光装置出射的也可以是其他形状的光斑。
本发明的光源系统采用激光光源，利用激光光束光学扩展量小的优势，以一个较小的光斑激发荧光粉，从而产生的荧光光束也具有较小的光学扩展量，能够汇聚到较小的图案gobo处，相对于镜头模组而言，图案gobo越小，出射的光束发散角就越小，从而进一步减小了出射光束的发散角，在要求光束照明灯的光束发散角小、光能量集中的场合，本发明能够满足对光束照明灯的需求。
本发明的光源系统还具有根据实际情况灵活设计的特点，从而为技术人员具体设计各个部分提供了更多的选择。荧光粉装置可以采用透射式或者反射式；区域分光片可以采用中心区域透射激发光、反射受激光的方式，也可以采用中心区域反射激发光、透射受激光的方式；针对不同的激发光能量密度，荧光粉装置可以是固定式的荧光粉片，也可以是旋转色轮。
本发明的光源系统区别于现有的以LED为发光元件的光源，其出射的光束具有更好的方向性、颜色均匀性以及高亮度。
本发明以半导体激光器为激发光源，激发荧光粉作为光源的方案替代传统的照明光源，激光器具有能量密度高，光学扩展量小的优势，激发荧光粉产生高效的荧光，能够得到具有高能量密度的光源，这应用在照明领域，尤其是对光束质量要求比较高的场合，具有绝对的优势。因此，本发明所提供的应用于照明领域的新型光源系统，尤其适合应用于对于光束质量要求比较高的场合，对于扩展激光荧光粉光源的应用领域具有很好的推广作用。
以上内容是结合具体的实施方式对本申请所作的进一步详细说明，不能认定本申请的具体实施只局限于这些说明。对于本申请所属技术领域的普通技术人员来说，在不脱离本申请构思的前提下，还可以做出若干简单推演或替换。

Claims (13)

1. 一种光源系统，其特征在于，包括：
激发光产生单元，用于发射激发光；
第一光汇聚单元，用于对所述激发光产生单元所发射的激发光进行汇聚处理；
匀光装置，用于对所述激发光产生单元所发射的激发光进行匀光处理；
受激光产生单元，用于在激发光的照射下产生受激光；
第二光汇聚单元，用于将所述受激光产生单元产生的受激光进行汇聚处理。
2.如权利要求1所述的系统，其特征在于，
所述激发光产生单元为激光光源，所述激发光为激光。
3.如权利要求1所述的系统，其特征在于，
所述匀光装置用于对所述激发光进行匀光并出射圆形或近似圆形的光斑。
4.如权利要求1所述的系统，其特征在于，
所述第一光汇聚单元包括第一凸透镜和第二凸透镜，所述匀光装置位于所述第一凸透镜和所述第二凸透镜之间；
所述第一凸透镜用于将所述激发光产生单元所发射的激发光汇聚到所述匀光装置；
所述匀光装置用于对所述激发光进行匀光并出射到所述第二凸透镜；
所述第二凸透镜用于对所述激发光进行准直并出射。
5.如权利要求4所述的系统，其特征在于，
所述匀光装置为积分棒。
6.如权利要求1所述的系统，其特征在于，
所述第一光汇聚单元包括第三凸透镜和第一凹透镜；
所述第三凸透镜用于将所述激发光产生单元所发射的激发光汇聚到所述第一凹透镜；
所述第一凹透镜用于对所述激发光进行准直并出射到所述匀光装置。
7.如权利要求6所述的系统，其特征在于，
所述匀光装置为散射片。
8.如权利要求1-7任一项所述的系统，其特征在于，所述受激光产生单元为反射式，其在被汇聚的激发光的照射下产生受激光并将所述受激光朝与所述激发光入射方向相反的方向出射；
所述系统还包括区域分光单元；所述区域分光单元用于透射/反射经过准直处理和匀光处理的激发光从而使其照射到所述受激光产生单元，并对所述受激光产生单元产生的受激光进行反射/透射。
9.如权利要求8所述的系统，其特征在于，第二光汇聚单元包括第四凸透镜和第五凸透镜，所述第四凸透镜设置在所述区域分光单元和所述受激光产生单元之间，用于对激发光进行汇聚和对受激光进行收集，所述第五凸透镜设置在经区域分光单元反射/透射后的受激光的光路上。
10 .如权利要求1-7任一项所述的系统，其特征在于，所述受激光产生单元为透射式，其在被汇聚的激发光的照射下产生受激光并将所述受激光朝与所述激发光入射方向相同的方向出射，所述第二光汇聚单元包括依次设置在受激光出射的光路上的第四凸透镜和第五凸透镜。
11.如权利要求10所述的系统，其特征在于，还包括第三光汇聚单元，所述第三光汇聚单元设置在第一光汇聚单元、匀光装置和受激光产生单元之间，用于对经汇聚和匀光处理后的激发光做进一步汇聚。
12.如权利要求1-7任一项所述的系统，其特征在于，还包括：
整形单元，其具有预设形状的孔，所述整形单元设置在所述第二光汇聚单元出射的光束的光路上，用于使光束通过预设形状的孔；
出光镜头单元，其设置在整形单元出射的光束的光路上，用于对整形单元出射的光束进行准直处理后出射。
13.一种照明装置，其特征在于，
包括如权利要求1-11任一项所述的光源系统；
还包括：
整形单元，其具有预设形状的孔，所述整形单元设置在所述第二光汇聚单元出射的光束的光路上，用于使光束通过预设形状的孔；
出光镜头单元，其设置在整形单元出射的光束的光路上，用于对整形单元出射的光束进行准直处理后出射。
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