這些尖銳邊緣濾光片通常被稱為長(zhǎng)波通(LWP)和短波通(SWP)濾光片,其特征在于它們?cè)诜瓷浜屯干鋮^(qū)域之間的高轉(zhuǎn)換率。如此高的轉(zhuǎn)換率使其成為熒光應(yīng)用中的發(fā)射濾光片以及光度法中的排序?yàn)V光片的xxx選擇。它們還可以用作雜散光或微調(diào)濾光片,以消除任何不需要的近帶輻射。所有Andover LWP / SWP濾光片均由堅(jiān)硬,耐用的D一表面介電涂層構(gòu)成,可承受與任何高質(zhì)量光學(xué)組件相關(guān)的常規(guī)清潔和處理。它們的膜結(jié)構(gòu)本質(zhì)上是經(jīng)過(guò)修改的四分之一波長(zhǎng)疊堆,利用干涉效應(yīng)而不是吸收來(lái)隔離其光譜帶。與濾鏡不同 由于對(duì)波長(zhǎng)隨角度的變化不敏感,這些濾光器的波長(zhǎng)隨入射角的增加而變短。此功能在可能需要微調(diào)50%截止波長(zhǎng)或截止波長(zhǎng)的應(yīng)用中很有用。所有標(biāo)準(zhǔn)邊緣濾光片都可以從400nm到1000nm以50nm的增量遞增。
General Specifications
Thickness: | 4.0mm maximum |
Size Tolerance: | +0.0mm/-0.5mm |
Min. Clear Aperture: | 85% of outside dimension |
Substrate Material: | Glass (Note: BK-7 or Borofloat available as an option for higher Tx.) |
Flatness: | 3-5 waves per 25 TWF |
Surface Quality: | 80-50 per MIL-C-48497A |
Humidity and Abrasion: | Per MIL-C-675A |
Operating Temperature: | -50°C to +200°C |
Cut-on Slope: | 6% maximum (11% for 300nm filter) |
Cut-on Tolerance: | ±10nm from 400nm-1100nm ±5nm from 300nm - 375nm |
Mechanical: | Unmounted |
Transmission
Long Wave Pass: | 85% average from the 50% cut-on point to 2000nm |
Short Wave Pass: | 400-450nm: 85% avererage from the 50% cut-on point to 0.75 x the 50% cut-off point 500-1000nm: 85% avererage from the 50% cut-on point to 0.75 x the 50% cut-off pointNote: with the exception of the 400nm filter, all SWP filters will drop off in transmission at wavelengths under 400nm.) |
Rejection
Long Wave Pass: | 99% or greater from 0.9 x the 50% point to the UV |
Short Wave Pass: | 99% or greater from 1.07 x the 50% point to 1.25 x the 50% point |
Effective index of refraction (n*) | 1.7 (approximately) |
DESCRIPTION | PART NO. |
100.0nm Cut-off, 12.5 mm dia., unmounted, Short Wave Pass Edge Filter | 100FL07-12.5 |
400.0nm Cut-off, 12.5 mm dia., unmounted, Short Wave Pass Edge Filter | 400FL07-12.5 |
400.0nm Cut-off, 25.0 mm dia., unmounted, Short Wave Pass Edge Filter | 400FL07-25 |
400.0nm Cut-off, 50.0 mm dia., unmounted, Short Wave Pass Edge Filter | 400FL07-50 |
400.0nm Cut-off, 50.0 x 50.0 mm sq., unmounted, Short Wave Pass Edge Filter | 400FL07-50S |
450.0nm Cut-off, 12.5 mm dia., unmounted, Short Wave Pass Edge Filter | 450FL07-12.5 |
450.0nm Cut-off, 25.0 mm dia., unmounted, Short Wave Pass Edge Filter | 450FL07-25 |
450.0nm Cut-off, 50.0 mm dia., unmounted, Short Wave Pass Edge Filter | 450FL07-50 |
450.0nm Cut-off, 50.0 x 50.0 mm sq., unmounted, Short Wave Pass Edge Filter | 450FL07-50S |
500.0nm Cut-off, 12.5 mm dia., unmounted, Short Wave Pass Edge Filter | 500FL07-12.5 |
500.0nm Cut-off, 25.0 mm dia., unmounted, Short Wave Pass Edge Filter | 500FL07-25 |
500.0nm Cut-off, 50.0 mm dia., unmounted, Short Wave Pass Edge Filter | 500FL07-50 |
500.0nm Cut-off, 50.0 x 50.0 mm sq., unmounted, Short Wave Pass Edge Filter | 500FL07-50S |
550.0nm Cut-off, 12.5 mm dia., unmounted, Short Wave Pass Edge Filter | 550FL07-12.5 |
550nm Cut-off, 25.0 mm dia., unmounted, Short Wave Pass Edge Filter | 550FL07-25 |
550.0nm Cut-off, 50.0 mm dia., unmounted, Short Wave Pass Edge Filter | 550FL07-50 |
550.0nm Cut-off, 50.0 x 50.0 mm sq., unmounted, Short Wave Pass Edge Filter | 550FL07-50S |
600.0nm Cut-off, 12.5 mm dia., unmounted, Short Wave Pass Edge Filter | 600FL07-12.5 |
600.0nm Cut-off, 25.0 mm dia., unmounted, Short Wave Pass Edge Filter | 600FL07-25 |
600.0nm Cut-off, 50.0 mm dia., unmounted, Short Wave Pass Edge Filter | 600FL07-50 |
600.0nm Cut-off, 50.0 x 50.0 mm sq., unmounted, Short Wave Pass Edge Filter | 600FL07-50S |
650.0nm Cut-off, 12.5 mm dia., unmounted, Short Wave Pass Edge Filter | 650FL07-12.5 |
650.0nm Cut-off, 25.0 mm dia., unmounted, Short Wave Pass Edge Filter | 650FL07-25 |
650.0nm Cut-off, 50.0 mm dia., unmounted, Short Wave Pass Edge Filter | 650FL07-50 |
650.0nm Cut-off, 50.0 x 50.0 mm sq., unmounted, Short Wave Pass Edge Filter | 650FL07-50S |
700.0nm Cut-off, 12.5 mm dia., unmounted, Short Wave Pass Edge Filter | 700FL07-12.5 |
700.0nm Cut-off, 25.0 mm dia., unmounted, Short Wave Pass Edge Filter | 700FL07-25 |
700.0nm Cut-off, 50.0 mm dia., unmounted, Short Wave Pass Edge Filter | 700FL07-50 |
700.0nm Cut-off, 50.0 x 50.0 mm sq., unmounted, Short Wave Pass Edge Filter | 700FL07-50S |
750.0nm Cut-off, 12.5 mm dia., unmounted, Short Wave Pass Edge Filter | 750FL07-12.5 |
750.0nm Cut-off, 25.0 mm dia., unmounted, Short Wave Pass Edge Filter | 750FL07-25 |
750.0nm Cut-off, 50.0 mm dia., unmounted, Short Wave Pass Edge Filter | 750FL07-50 |
750.0nm Cut-off, 50.0 x 50.0 mm sq., unmounted, Short Wave Pass Edge Filter | 750FL07-50S |
800.0nm Cut-off, 12.5 mm dia., unmounted, Short Wave Pass Edge Filter | 800FL07-12.5 |
800.0nm Cut-off, 25.0 mm dia., unmounted, Short Wave Pass Edge Filter | 800FL07-25 |
800.0nm Cut-off, 50.0 mm dia., unmounted, Short Wave Pass Edge Filter | 800FL07-50 |
800.0nm Cut-off, 50.0 x 50.0 mm sq., unmounted, Short Wave Pass Edge Filter | 800FL07-50S |
850.0nm Cut-off, 12.5 mm dia., unmounted, Short Wave Pass Edge Filter | 850FL07-12.5 |
850.0nm Cut-off, 25.0 mm dia., unmounted, Short Wave Pass Edge Filter | 850FL07-25 |
850.0nm Cut-off, 50.0 mm dia., unmounted, Short Wave Pass Edge Filter | 850FL07-50 |
850.0nm Cut-off, 50.0 x 50.0 mm sq., unmounted, Short Wave Pass Edge Filter | 850FL07-50S |
900.0nm Cut-off, 12.5 mm dia., unmounted, Short Wave Pass Edge Filter | 900FL07-12.5 |
900.0nm Cut-off, 25.0 mm dia., unmounted, Short Wave Pass Edge Filter | 900FL07-25 |
900.0nm Cut-off, 50.0 mm dia., unmounted, Short Wave Pass Edge Filter | 900FL07-50 |
900.0nm Cut-off, 50.0 x 50.0 mm sq., unmounted, Short Wave Pass Edge Filter | 900FL07-50S |
950.0nm Cut-off, 12.5 mm dia., unmounted, Short Wave Pass Edge Filter | 950FL07-12.5 |
950.0nm Cut-off, 25.0 mm dia., unmounted, Short Wave Pass Edge Filter | 950FL07-25 |
950.0nm Cut-off, 50.0 mm dia., unmounted, Short Wave Pass Edge Filter | 950FL07-50 |
950.0nm Cut-off, 50.0 x 50.0 mm sq., unmounted, Short Wave Pass Edge Filter | 950FL07-50S |
1000.0nm Cut-off, 25.0 mm dia., unmounted, Short Wave Pass Edge Filter | 100FL07-25 |
1000.0nm Cut-off, 50.0 mm dia., unmounted, Short Wave Pass Edge Filter | 100FL07-50 |
1000.0nm Cut-off, 50.0 x 50.0 mm sq., unmounted, Short Wave Pass Edge Filter | 100FL07-50S |