アルミコートミラー
楕円形

Standard aluminium mirrors for the spectral ranges VIS to IR up to 10 µm or UV to 3 µm, respectively
High reflection within a broad spectral and angle-of-incidence range
Protected by an SiO₂ overcoating (RAL)or MgF₂ protective overcoating for the UV-region (RAL UV)
Low expansion material ^*1
RAL-UV: Guaranteed reflection > 85 % in the range of 230 nm ≤ λ ≤ 400 nm, > 88 % at λ₀ = 300 nm for AOI = 45°, unpolarized
RAL-UV: Damage threshold H_∞ > 200 mJ/cm² at 193 nm with 30 ns laser pulses (s-on-1) at 10 Hz
RAL VIS: Guaranteed reflection > 85 % in the range of 400 nm ≤ λ ≤ 700 nm, > 88 % at λ₀ = 550 nm for AOI = 45°, unpolarized
RAL VIS: Damage threshold H∞ > 1.5 J / cm² at 1064 nm with 11 ns laser pulses (s-on-1) at 10 Hz

*1

Definition: A low expansion material is a glass with nd = 1.47 and a coefficient of expansion α_{20 - 300 °C} = 3.3 ^* 10-6 / K (i.e. Pyrex, DURAN, Tempax, Borofloat).
*2

Custom mirrors offering other substrates or coatings are available for higher quantities on request.

仕様

Part No.	Thickness d (mm)	Tolerance ⌀ (mm)	Tolerance d (mm)	Surface Coating	Size ⌀xL (mm)	Flatness (λ)
G340380000	2	-0.06	± 0.2	RAL-Coating 380 nm - 10 µm	10x14	1/2
G340616331	2	-0.08	± 0.2	RAL-Coating 380 nm - 10 µm	12.5x18	1/2
G340003000	3.5	-0.10	± 0.2	RAL-Coating 380 nm - 10 µm	22.4x31.5	1/2
G340381000	3.5	-0.10	± 0.2	RAL-Coating 380 nm - 10 µm	22.4x31.5	1/10
G340002000	4	-0.12	± 0.2	RAL-Coating 380 nm - 10 µm	31.5x45	1/2
G340004000	6	-0.12	± 0.2	RAL-Coating 380 nm - 10 µm	50x71	1
G340380332	2	-0.06	± 0.2	RAL UV-Coating 220 nm - 3 µm	10x14	1/2
G340616332	2	-0.08	± 0.2	RAL UV-Coating 220 nm - 3 µm	12.5x18	1/2
G340094000	3.5	-0.10	± 0.2	RAL UV-Coating 220 nm - 3 µm	22.4x31.5	1/2
G340381332	3.5	-0.10	± 0.2	RAL UV-Coating 220 nm - 3 µm	22.4x31.5	1/10
G340002332	4	-0.12	± 0.2	RAL UV-Coating 220 nm - 3 µm	31.5x45	1/2
G340004332	6	-0.12	± 0.2	RAL UV-Coating 220 nm - 3 µm	50x71	1

Example: RAL-E UV for 230-400 nm (AOI=45°, unpolarized)

Example: RAL VIS for 400-700 nm (AOI=45°, unpolarized

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