| 摘要 |
According to an aspect of the present invention, there is provided an optical recording medium including a first substrate, a first adjusting layer, an organic recording layer, a second adjusting layer and a second substrate, sequentially stacked in the mentioned order. The first and second substrates have a refractive index of n 1. The organic recording layer has a refractive index of n 2. The first and second adjusting layers have a thickness of k and a refractive index distribution in a range of ns from a minimum value on sides contacting with the organic recording layer to a maximum value on sides contacting respectively with the first and second substrates. ns satisfies n 2 <=ns<=n 1, and k satisfies 5<=k<=200 nm.
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