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light scattering devices
专利权人:
INC.;RAKUTEN MEDICAL
发明人:
ANDREAS ROSE,KYLE JOHNSTON,MERRILL BIEL
申请号:
BR112019008189
公开号:
BR112019008189A2
申请日:
2017.10.23
申请国别(地区):
BR
年份:
2019
代理人:
摘要:
The present invention provides a cylindrical light scattering device (300) comprising a non-circular core fiber (302) having (i) a fiber core (350) which provides a "top hat" core irradiance distribution; optionally (ii) light blocking means (314) preventing front light emission from the distal end of the non-circular core fiber (302); and (iii) a light diffusion section (308) having a proximal diffusion end (310), a distal diffusion end (312) and internal scatter attributes (362) distributed within the fiber core (350) of the section. light scattering (308) along the central axis (364) of the fiber core (350), wherein the light scattering section (308) emits irradiance in a longitudinally "top hat" radially symmetric diffusion irradiance distribution . The description also provides a device (600) comprising a non-circular core fiber section (604) and a lens (606), wherein the non-circular core section has a "top hat" core irradiance distribution and the device provides a top hat spectral irradiance distribution at a target location. The description also provides a device (700) comprising an optical fiber (702) and a collimation lens assembly (704) including a variable aperture (714) that blocks portions of light separating from the optical fiber, thus allowing only a central portion of the light exits the variable aperture, resulting in a flat irradiance distribution.a presente invenção proporciona um dispositivo de difusão de luz cilíndrico (300) compreendendo uma fibra de núcleo não circular (302) tendo (i) um núcleo de fibra (350) que proporciona uma distribuição de irradiância de núcleo tipo "cartola"; opcionalmente (ii) meios de bloqueio da luz (314) que impedem a emissão da luz frontal da extremidade distal da fibra de núcleo não circular (302); e (iii) uma seção de difusão de luz (308) tendo uma extremidade proximal de difusão (310), uma extremidade distal de difusão (312) e atributos de dispersão internos (362) distribuídas dentro do núcleo de fibra (350) d
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