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窄带干涉滤光片
窄带干涉滤光片是一种带通滤波器，它利用电介质和金属多层膜的干涉作用，可以从入射光中，选取特定的波长，其半峰值带宽(峰值的一半)为1nm到40nm。 窄带干涉滤光片可代替如光栅那样的昂贵的分光器件，广泛应用于光学实验和工业领域。
产品参数：
材料：光学级玻璃
尺寸容差：+0.0/-0.2mm
光洁度：60-40
通光孔径：>90%
平整度： 
/4 @632.8nm
平行度：<1 arc min
| Part Number | Center Wavelength (nm) | Dia(mm) | FWHM(nm) | Peak Value Transmittance(%) |
| LONF193 | 193 | 25 | 15 | >12 |
| LONF200 | 200 | 25 | 15 | >12 |
| LONF251 | 251 | 12.7 | 6 | >20 |
| LONF253 | 253 | 12.7 | 6 | >22 |
| LONF256 | 256 | 12.7 | 9 | >17 |
| LONF257 | 257 | 12.7 | 9 | >18 |
| LONF260 | 260 | 29 | 8 | >48 |
| LONF262 | 262 | 32 | 10 | >27 |
| LONF263 | 263 | 32 | 10 | >15 |
| LONF264 | 264 | 32 | 10 | >24 |
| LONF265 | 265 | 32 | 10 | >23 |
| LONF342 | 342 | 12.7 | 10 | >45 |
| LONF344 | 344 | 12.7 | 10 | >45 |
| LONF345 | 345 | 12.7 | 10 | >43 |
| LONF348 | 348 | 12.7 | 6 | >48 |
| LONF350 | 350 | 12.7 | 10 | >45 |
| LONF353 | 353 | 12.7 | 10 | >45 |
| LONF355 | 355 | 12.7 | 10 | >63 |
| LONF360 | 360 | 13*13 | 10 | >30 |
| LONF390 | 390 | 12.7 | 10 | >52 |
| LONF398 | 398 | 12.7 | 7 | >60 |
| LONF400 | 400 | 12.7 | 8 | >52 |
| LONF403 | 403 | 12.7 | 9 | >52 |
| LONF405 | 405 | 12.7 | 10 | >48 |
| LONF407 | 407 | 12.7 | 10 | >48 |
| LONF410 | 410 | 12.7 | 9 | >56 |
| LONF415 | 415 | 12 | 8 | >70 |
| LONF417 | 417 | 12 | 8 | >72 |
| LONF418 | 418 | 12 | 8 | >72 |
| LNF435.8-10 | 435.8 | 10 | 10 | >35 |
| LNF435.8-12 | 435.8 | 12 | 10 | >35 |
| LNF435.8-15 | 435.8 | 15 | 10 | >35 |
| LNF435.8-20 | 435.8 | 20 | 10 | >35 |
| LNF435.8-25 | 435.8 | 25 | 10 | >35 |
| LNF450-10 | 450 | 10 | 10 | >50 |
| LNF450-12 | 450 | 12 | 10 | >50 |
| LNF450-15 | 450 | 15 | 10 | >50 |
| LNF455.5-25 | 455.5 | 25 | 10 | >50 |
| LNF486.1-25 | 486.1 | 25 | 10 | >50 |
| LNF488-25 | 488 | 25 | 10 | >50 |
| LNF492-25 | 492 | 25 | 10 | >50 |
| LNF505-25 | 505 | 25 | 10 | >50 |
| LNF508.5-25 | 508.5 | 25 | 10 | >50 |
| LNF510-25 | 510 | 25 | 10 | >50 |
| LNF514.5-25 | 514.5 | 25 | 10 | >50 |
| LNF532-25 | 532 | 25 | 10 | >50 |
| LNF535-25 | 535 | 25 | 10 | >50 |
| LNF540-25 | 540 | 25 | 10 | >50 |
| LNF546.1-25 | 546.1 | 25 | 10 | >50 |
| LNF550-25 | 550 | 25 | 10 | >50 |
| LNF570-25 | 570 | 25 | 10 | >50 |
| LNF577-25 | 577 | 25 | 10 | >50 |
| LNF590-25 | 590 | 25 | 10 | >50 |
| LNF600-25 | 600 | 25 | 10 | >50 |
| LNF620-25 | 620 | 25 | 10 | >50 |
| LNF630-25 | 620 | 25 | 10 | >50 |
| LNF632.8-25 | 632.8 | 25 | 10 | >50 |
| LNF636.2-25 | 636.2 | 25 | 10 | >50 |
| LNF647.1-25 | 647.1 | 25 | 10 | >50 |
| LNF650-25 | 650 | 25 | 10 | >50 |
| LNF656.3-25 | 656.3 | 25 | 10 | >50 |
| LNF670-25 | 670 | 25 | 10 | >50 |
| LNF670.8-25 | 670.8 | 25 | 10 | >50 |
| LNF690-25 | 690 | 25 | 10 | >50 |
