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    • 5. 发明申请
    • LASER DIODE WITH HIGH EFFICIENCY
    • 激光二极管效率高
    • US20130208748A1
    • 2013-08-15
    • US13823277
    • 2011-09-12
    • Paul CrumpGoetz ErbertHans Wenzel
    • Paul CrumpGoetz ErbertHans Wenzel
    • H01S5/20
    • H01S5/20A61B18/203A61B2018/00476A61B2090/049H01S5/2031H01S5/22H01S5/3213H01S2301/185
    • It is the object of the present invention to specify a light source with high efficiency and high eye safety at the same time.For this purpose, the active layer (10), the first cladding layer (14), the first waveguide layer (12), the second waveguide layer (16), and the second cladding layer (18) should be designed such that 0.01 μm≦dWL≦1.0 μm and Δn≧0.04, where dWL is the sum total of the layer thickness of the first waveguide layer (12), the layer thickness of the active layer (10), and the layer thickness of the second waveguide layer (16) and Δn is a maximum of the refractive index difference between the first cladding layer (14) and the first waveguide layer (12) and the refractive index difference between the second waveguide layer (16) and the second cladding layer (18).
    • 本发明的目的是同时具有高效率和高眼睛安全性的光源。 为此,应设计有源层(10),第一覆层(14),第一波导层(12),第二波导层(16)和第二覆层(18),使得0.01μm @ dWL @ 1.0mum和Deltan> = 0.04,其中dWL是第一波导层(12)的层厚度的总和,有源层(10)的层厚度和第二波导层的层厚度 (16)和Deltan是第一包层(14)和第一波导层(12)之间的折射率差和第二波导层(16)与第二包层(18)之间的折射率差的最大值, 。
    • 6. 发明授权
    • High-efficiency diode laser
    • 高效二极管激光器
    • US08798109B2
    • 2014-08-05
    • US13978222
    • 2011-12-28
    • Erbert GötzHans WenzelPaul Crump
    • Erbert GötzHans WenzelPaul Crump
    • H01S5/10
    • H01S5/2018H01S5/2031H01S5/3213H01S2301/166H01S2301/18
    • A laser diode has a first n-conducting cladding layer, a first n-conducting waveguide layer arranged therein, an active layer is suitable for generating radiation arranged on the first waveguide layer, a second p-conducting waveguide layer, arranged on the active layer, and a second p-conducting cladding layer, arranged on the second waveguide layer the sum of the layer thickness of the first waveguide layer, the layer thickness of the active layer and the layer thickness of the second waveguide layer is greater than 1 μm and the layer thickness of the second waveguide layer is less than 150 nm. The maximum mode intensity of the fundamental mode is in a region outside the active layer, and the difference between the refractive index of the first waveguide layer and the refractive index of the first cladding layer is between 0.04 and 0.01.
    • 激光二极管具有第一n导电包覆层,布置在其中的第一n导电波导层,有源层适于产生布置在第一波导层上的辐射,布置在有源层上的第二导电波导层 以及第二导电包覆层,布置在第二波导层上,第一波导层的层厚度之和,有源层的层厚度和第二波导层的层厚度之和大于1μm, 第二波导层的层厚小于150nm。 基模的最大模式强度在有源层外侧的区域中,第一波导层的折射率与第一包层的折射率之差为0.04〜0.01。
    • 8. 发明申请
    • HIGH-EFFICIENCY DIODE LASER
    • 高效二极管激光
    • US20130287057A1
    • 2013-10-31
    • US13978222
    • 2011-12-28
    • Erbert GötzHans WenzelPaul Crump
    • Erbert GötzHans WenzelPaul Crump
    • H01S5/20
    • H01S5/2018H01S5/2031H01S5/3213H01S2301/166H01S2301/18
    • A laser diode has a first n-conducting cladding layer, a first n-conducting waveguide layer arranged therein, an active layer is suitable for generating radiation arranged on the first waveguide layer, a second p-conducting waveguide layer, arranged on the active layer, and a second p-conducting cladding layer, arranged on the second waveguide layer the sum of the layer thickness of the first waveguide layer, the layer thickness of the active layer and the layer thickness of the second waveguide layer is greater than 1 μm and the layer thickness of the second waveguide layer is less than 150 nm. The maximum mode intensity of the fundamental mode is in a region outside the active layer, and the difference between the refractive index of the first waveguide layer and the refractive index of the first cladding layer is between 0.04 and 0.01.
    • 激光二极管具有第一n导电包覆层,布置在其中的第一n导电波导层,有源层适于产生布置在第一波导层上的辐射,布置在有源层上的第二导电波导层 和第二导电包覆层,布置在第二波导层上,第一波导层的层厚度之和,有源层的层厚度和第二波导层的层厚度之和大于1μm, 第二波导层的层厚小于150nm。 基模的最大模式强度在有源层外侧的区域中,第一波导层的折射率与第一包层的折射率之差为0.04〜0.01。