Andover紅(hong)外中(zhong)性(xing)密(mi)度(du)濾(lv)光(guang)片IR ND濾(lv)光(guang)片
金(jin)屬(shu)塗(tu)覆的紅(hong)外中(zhong)性(xing)密(mi)度(du)濾(lv)光(guang)片（IR ND濾(lv)光(guang)片）從由感興(xing)趣(qu)的波(bo)長區域(yu)確(que)定的基(ji)板(ban)上(shang)的金(jin)屬(shu)合金(jin)塗(tu)層獲(huo)得其(qi)光(guang)密(mi)度(du)。與(yu)全電(dian)介質或(huo)吸收型不同，金(jin)屬(shu)型(xing)ND濾(lv)光(guang)器采用(yong)吸收和(he)反(fan)射(she)的組合來(lai)降低光(guang)強(qiang)度(du)。
Andover的IR ND濾(lv)光(guang)片具有出色(se)的光(guang)譜中(zhong)性(xing)，優於(yu)市(shi)場上(shang)的所有(you)其他濾(lv)光(guang)片。
▪ 在(zai)寬(kuan)光(guang)譜範(fan)圍(wei)內提供(gong)更(geng)大(da)線(xian)性(xing)度(du)的衰減(jian)
▪ 提(ti)供(gong)**的耐用(yong)性(xing)
▪ 提(ti)供(gong)定制基(ji)材
Andover紅(hong)外中(zhong)性(xing)密(mi)度(du)濾(lv)光(guang)片IR ND濾(lv)光(guang)片
General Specifications:
| Dimensional Tolerances: | ±0.2mm |
| Thickness: | 1.0mm |
| Min. Clear Aperture: | 90% of outside dimension |
| Surface Quality: | 80/50 per MIL-O-13830B |
| Coating Quality: | 80/50 per MIL-O-13830B |
| Coating Adherence: | Per MIL-M-13508C |
| Humidity: | Per MIL-STD-810F |
| Substrate Material: | Germanium |
| Flatness: | 3–5 waves per 25mm |
| Parallelism: | 10 arc minutes or better |
| Mechanical: | Unmounted |
| NO. | PART NO. | PART number |
| 1 | IR ND, 0.30 OD, 12.5 mm diameter | 030FNIR-12.5 |
| 2 | IR ND, 0.30 OD, 25.0 mm diameter | 030FNIR-25 |
| 3 | IR ND, 0.30 OD, 50.0 mm diameter | 030FNIR-50 |
| 4 | IR ND, 0.30 OD, 25.0 mm diameter | 030FNIR-BBAR-25 |
| 5 | IR ND, 0.50 OD, 12.5 mm diameter | 050FNIR-12.5 |
| 6 | IR ND, 0.50 OD, 25.0 mm diameter | 050FNIR-25 |
| 7 | IR ND, 0.50 OD, 50.0 mm diameter | 050FNIR-50 |
| 8 | IR ND, 0.50 OD, 25.0 mm diameter | 050FNIR-BBAR-25 |
| 9 | IR ND, 0.60 OD, 12.5 mm diameter | 060FNIR-12.5 |
| 10 | IR ND, 0.60 OD, 25.0 mm diameter | 060FNIR-25 |
| 11 | IR ND, 0.60 OD, 50.0 mm diameter | 060FNIR-50 |
| 12 | IR ND, 0.70 OD, 12.5 mm diameter | 070FNIR-12.5 |
| 13 | IR ND, 0.70 OD, 25.0 mm diameter | 070FNIR-25 |
| 14 | IR ND, 0.70 OD, 50.0 mm diameter | 070FNIR-50 |
| 15 | IR ND, 0.80 OD, 12.5 mm diameter | 080FNIR-12.5 |
| 16 | IR ND, 0.80 OD, 25.0 mm diameter | 080FNIR-25 |
| 17 | IR ND, 0.80 OD, 50.0 mm diameter | 080FNIR-50 |
| 18 | IR ND, 0.9 OD, 12.5 mm diameter | 090FNIR-12.5 |
| 19 | IR ND, 0.9 OD, 25.0 mm diameter | 090FNIR-25 |
| 20 | IR ND, 0.9 OD, 50.0 mm diameter | 090FNIR-50 |
| 21 | IR ND, 1.0 OD, 12.5 mm diameter | 100FNIR-12.5 |
| 22 | IR ND, 1.0 OD, 25.0 mm diameter | 100FNIR-25 |
| 23 | IR ND, 1.0 OD, 50.0 mm diameter | 100FNIR-50 |
| 24 | IR ND, 1.0 OD, 25.0 mm diameter | 100FNIR-BBAR-25 |
| 25 | IR ND, 1.3 OD, 12.5 mm diameter | 130FNIR-12.5 |
| 26 | IR ND, 1.3 OD, 25.0 mm diameter | 130FNIR-25 |
| 27 | IR ND, 1.3 OD, 50.0 mm diameter | 130FNIR-50 |
| 28 | IR ND, 1.5 OD, 12.5 mm diameter | 150FNIR-12.5 |
| 29 | IR ND, 1.5 OD, 25.0 mm diameter | 150FNIR-25 |
| 30 | IR ND, 1.5 OD, 50.0 mm diameter | 150FNIR-50 |
| 31 | IR ND, 2.0 OD, 12.5 mm diameter | 200FNIR-12.5 |
| 32 | IR ND, 2.0 OD, 25.0 mm diameter | 200FNIR-25 |
| 33 | IR ND, 2.0 OD, 50.0 mm diameter | 200FNIR-50 |
| 34 | IR ND, 2.0 OD, 25.0 mm diameter | 200FNIR-BBAR-25 |
| 35 | IR ND, 2.5 OD, 12.5 mm diameter | 250FNIR-12.5 |
| 36 | IR ND, 2.5 OD, 25.0 mm diameter | 250FNIR-25 |
| 37 | IR ND, 2.5 OD, 50.0 mm diameter | 250FNIR-50 |
| 38 | IR ND, 3.0 OD, 12.5 mm diameter | 300FNIR-12.5 |
| 39 | IR ND, 3.0 OD, 25.0 mm diameter | 300FNIR-25 |
| 40 | IR ND, 3.0 OD, 50.0 mm diameter | 300FNIR-50 |
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