SCHOTT NG 吸收型中性密度 (ND) 濾光片是由 NG4、NG9 或 NG11 SCHOTT 玻璃類型組成,可於可見光光譜透過吸收產生均勻的光線衰減效果。這類濾光片製造時指定 0.15 至 5.0 的光學密度,協助簡化整合至光學系統。SCHOTT NG 吸收型中性密度 (ND) 濾光片供應 50 x 50 mm 的標準尺寸,並可堆疊多個濾光片以達到自訂光學密度。5 至 160mm 的自訂尺寸及自訂光學密度,或是適合特定波長的穿透值,均可依要求供應;如需更多詳細資訊,請造訪本公司有色玻璃濾光片製造能力網頁。也供應 SCHOTT NG 灰色玻璃濾光片。
每批濾光片都經過測量及調整厚度,以符合 546nm 的指定穿透值。濾光片批次效能不同可能導致標稱厚度變化;不過每批產品之間的穿透變化均維持在最低限度。
請按此處下載 SCHOTT 有色玻璃濾光片計算程式,以用於計算每種 SCHOTT 玻璃類型的內部和外部穿透率。此程式可以根據使用者指定的厚度來模擬個別濾光片的效能,或模擬具有不同玻璃類型和厚度的堆疊式濾光片的效能。
Title | 比較 | 庫存號碼 | 價格 | Buy | |
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12.5mm Dia., SCHOTT NG Absorptive ND Filter Kit (14 Filters) | #15-094 | NT$9,660 Request Quote |
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25mm Dia., SCHOTT NG Absorptive ND Filter Kit (14 Filters) | #15-095 | NT$17,850 Request Quote |
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50mm Sq., SCHOTT NG Absorptive ND Filter Kit (14 Filters) | #15-096 | NT$38,150 Request Quote |
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Edge length and diameter | +/-0.2 mm |
Thickness | For ≤ 1mm: ± 0.1mm For > 1 – 3mm: ± 0.2mm |
Surface Quality | 60 – 40 |
Surface Accuracy | ≤8 Waves |
Parallelism | ≤3 arcmin |
Clear Aperture | ≥90% |
Edges & Bevels | Round parts ≥ ∅5mm: polished edges & protective bevel Square & rectangular parts < 50 x 50mm: polished edges, no bevel |
Edge Chips | For ≤ ∅80mm: < 0.3mm (5/E0.3), for ≥ ∅81mm < 0.6mm (5/E0.6) |
Polishing quality | P2 |
Defects | 5/3 x 0.63 |
All edges machined | |
Round filters with chamfer max. 0.5mm, square and rectangular < 50x50mm without chamfer | |
Edge chips permitted up to 5/E0.3 |
SCHOTT 光學濾光片玻璃一般資訊 | |||||
BG | Blue, blue-green, and multiband glasses | ||||
GG | Nearly colorless to yellow glasses, IR transmitting | ||||
KG | Virtually colorless glasses with high transmission in the visible and absorption in the IR | ||||
NG | Neutral density glasses with uniform attenuation in the visible range | ||||
OG | Orange glasses, IR transmitting | ||||
RG | Red and black glasses, blocking visible, IR transmitting | ||||
UG | Black and blue glasses, UV transmitting | ||||
VG | Green glasses | ||||
WG | Colorless glasses with different cut-offs in the UV, transmitting in the visible and IR ranges | ||||
Note: The spectral curves above show the internal transmittance of the individual optical filter glasses |
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