| 摘要 |
A method for enhancing the light transmittance of a composite optical assembly includes the steps of: (a) providing a first optical element having a refractive index n 1 ; (b) providing a second optical element having a refractive index n 2 ; (c) forming a first optical thin film on a surface of the second optical element that faces the first optical element, the first optical thin film having a refractive index n 3 ; (d) coating an adhesive layer on a surface of the first optical thin film or on a surface of the first optical element, the adhesive layer having a refractive index n 4 , and the refractive index n 3 of the first optical thin film being an intermediate value between the refractive index n 4 of the adhesive layer and the refractive index n 2 of the second optical element; and (e) bonding the first and second optical elements together by the adhesive layer.
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