然而,如上文所讨论,二向色滤光片106被构造成反射由波长转换元件110所生成的波长的光。
The dichroic filter 106, however, as discussed above, is configured to reflect the wavelengths of light generated by the wavelength converting element 110.
因此,反向发射的光被二向色滤光片106朝向波长转换元件110反射。
Thus, back emitted light is reflected by the dichroic filter 106 towards wavelength converting element 110.
或者,二向色滤光片可在波长转换元件110上使用以将所透射的泵浦光反向反射到波长转换元件110内用于二次传递。
Alternatively, a dichroic filter may be used over the wavelength converting element 110 to reflect the transmitted pump light back into the wavelength converting element 110 for a second pass.
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