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US 2023/0109287 A1Published application
Compound, non-linear optical material, recording medium, method for recording information, and method for reading information
AssigneePanasonic Intellectual Property Management Co., Ltd.
InventorsMASAKO YOKOYAMA, NAOYA SAKATA, KENJI TAGASHIRA, KOTA ANDO
Life of this patent
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Abstract
A non-linear optical material is represented by formula (1) below. In formula (1), L1 to L3 are each independently represented by formula (2) or (3) below.
Claims11
A non-linear optical material represented by formula (1) below,
- where R1 to R13 each independently include at least one atom selected from the group consisting of H, C, N, O, F, P, S, Cl, I, and Br, and L1 to L3 are each independently represented by formula (2) or (3) below,
- where
- R16 to R19 each independently include at least one atom selected from the group consisting of H, C, N, O, F, P, S, Cl, I, and Br, and n is an integer of 1 to 3, and
- R20 to R23 each independently include at least one atom selected from the group consisting of H, C, N, O, F, P, S, Cl, I, and Br, and m is an integer of 1 to 3,
- wherein, when the non-linear optical material is represented by formula (4) below,
- at least one selected from the group consisting of R1, R6, and R11 is a halogen atom, a halogenated alkyl group, an unsaturated hydrocarbon group, a hydroxyl group, an alkoxycarbonyl group, an acyl group, an amide group, an acyloxy group, a thiol group, an alkylthio group, a sulfonic acid group, an acylthio group, an alkylsulfonyl group, a sulfonamide group, a primary amino group, a secondary amino group, or a nitro group.
3 more elements
A compound that is used in a device that utilizes light having a wavelength of greater than or equal to 390 nm and less than or equal to 420 nm, the compound being represented by formula (1) below,
- where R1 to R15 each independently include at least one atom selected from the group consisting of H, C, N, O, F, P, S, Cl, I, and Br, and L1 to L3 are each independently represented by formula (2) or (3) below,
- where
- R16 to R19 each independently include at least one atom selected from the group consisting of H, C, N, O, F, P, S, Cl, I, and Br, and n is an integer of 1 to 3, and
- R20 to R23 each independently include at least one atom selected from the group consisting of H, C, N, O, F, P, S, Cl, I, and Br, and m is an integer of 1 to 3.
1 more element
, A recording medium comprising a non-linear optical material represented by formula (1) below,
- where R1 to R15 each independently include at least one atom selected from the group consisting of H, C, N, O, F, P, S, Cl, I, and Br, and L1 to L3 are each independently represented by formula (2) or (3) below,
- where
- R16 to R19 each independently include at least one atom selected from the group consisting of H, C, N, O, F, P, S, Cl, I, and Br, and n is an integer of 1 to 3, and
- R20 to R23 each independently include at least one atom selected from the group consisting of H, C, N, O, F, P, S, Cl, I, and Br, and m is an integer of 1 to 3.
1 more element
A method for recording information, the method comprising:
- providing a light source that emits light having a wavelength of greater than or equal to 390 nm and less than or equal to 420 nm;
- and
- focusing the light from the light source and projecting the light onto a recording region of a recording medium that includes a compound represented by formula (1) below,
- where R1 to R13 each independently include at least one atom selected from the group consisting of H, C, N, O, F, P, S, Cl, I, and Br, and L1 to L3 are each independently represented by formula (2) or (3) below,
- where
- R16 to R19 each independently include at least one atom selected from the group consisting of H, C, N, O, F, P, S, Cl, I, and Br, and n is an integer of 1 to 3, and
- R20 to R23 each independently include at least one atom selected from the group consisting of H, C, N, O, F, P, S, Cl, I, and Br, and m is an integer of 1 to 3.
4 more elements
Dependencies are inferred from the claim text.