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長波通濾光片Andover
發(fā)布日期： 2025-04-08
訪問量： 1714
這些尖銳邊緣濾波器通常被稱為長波通（LWP）和短波通（SWP）濾光片，其特征在于它們在反射和透射區(qū)域之間的高轉換率。如此高的轉換率使其成為熒光應用中的發(fā)射濾光片以及光度法中的排序濾光片的xxx選擇。它們還...
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這些尖銳邊緣濾波器通常被稱為長波通（LWP）和短波通（SWP）濾光片，其特征在于它們在反射和透射區(qū)域之間的高轉換率。如此高的轉換率使其成為熒光應用中的發(fā)射濾光片以及光度法中的排序濾光片的xxx選擇。它們還可以用作雜散光或微調濾光片，以消除任何不需要的近帶輻射。所有Andover LWP / SWP濾光片均由堅硬，耐用的D一表面介電涂層構成，可承受與任何高質量光學組件相關的常規(guī)清潔和處理。它們的膜結構本質上是經(jīng)過修改的四分之一波長疊堆，利用干涉效應而不是吸收來隔離其光譜帶。與濾鏡不同 由于對波長隨角度的變化不敏感，這些濾光器的波長隨入射角的增加而變短。此功能在可能需要微調50％截止波長或截止波長的應用中很有用。所有標準邊緣濾光片都可以從400nm到1000nm以50nm的增量遞增。

? Low-cost

? Wide slection of wavelengths

? Provide steeper transistion than color glass filters

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 point
Note: 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)

DESCRIPTIONPART NO.
300.0nm Cut-on, 12.5 mm dia., unmounted, Long Wave Pass Edge Filter300FH90-12.5
300.0nm Cut-on, 25.0 mm dia., unmounted, Long Wave Pass Edge Filter300FH90-25
300.0nm Cut-on, 50.0 mm dia., unmounted, Long Wave Pass Edge Filter300FH90-50
300.0nm Cut-on, 50.0 x 50.0 mm sq., unmounted, Long Wave Pass Edge Filter300FH90-50S
325.0nm Cut-on, 12.5 mm dia., unmounted, Long Wave Pass Edge Filter325FH90-12.5
325.0nm Cut-on, 25.0 mm dia., unmounted, Long Wave Pass Edge Filter325FH90-25
325.0nm Cut-on, 50.0 mm dia., unmounted, Long Wave Pass Edge Filter325FH90-50
325.0nm Cut-on, 50.0 x 50.0 mm sq., unmounted, Long Wave Pass Edge Filter325FH90-50S
350.0nm Cut-on, 12.5 mm dia., unmounted, Long Wave Pass Edge Filter350FH90-12.5
350.0nm Cut-on, 25.0 mm dia., unmounted, Long Wave Pass Edge Filter350FH90-25
350.0nm Cut-on, 50.0 mm dia., unmounted, Long Wave Pass Edge Filter350FH90-50
350.0nm Cut-on, 50.0 x 50.0 mm sq., unmounted, Long Wave Pass Edge Filter350FH90-50S
375.0nm Cut-on, 12.5 mm dia., unmounted, Long Wave Pass Edge Filter375FH90-12.5
375.0nm Cut-on, 25.0 mm dia., unmounted, Long Wave Pass Edge Filter375FH90-25
375.0nm Cut-on, 50.0 mm dia., unmounted, Long Wave Pass Edge Filter375FH90-50
375.0nm Cut-on, 50.0 x 50.0 mm sq., unmounted, Long Wave Pass Edge Filter375FH90-50S
400.0nm Cut-on, 12.5 mm dia., unmounted, Long Wave Pass Edge Filter400FH90-12.5
400.0nm Cut-on, 25.0 mm dia., unmounted, Long Wave Pass Edge Filter400FH90-25
400.0nm Cut-on, 50.0 mm dia., unmounted, Long Wave Pass Edge Filter400FH90-50
400.0nm Cut-on, 50.0 x 50.0 mm sq., unmounted, Long Wave Pass Edge Filter400FH90-50S
450.0nm Cut-on, 12.5 mm dia., unmounted, Long Wave Pass Edge Filter450FH90-12.5
450.0nm Cut-on, 25.0 mm dia., unmounted, Long Wave Pass Edge Filter450FH90-25
450.0nm Cut-on, 50.0 mm dia., unmounted, Long Wave Pass Edge Filter450FH90-50
450.0nm Cut-on, 50.0 x 50.0 mm sq., unmounted, Long Wave Pass Edge Filter450FH90-50S
500.0nm Cut-on, 12.5 mm dia., unmounted, Long Wave Pass Edge Filter500FH90-12.5
500.0nm Cut-on, 25.0 mm dia., unmounted, Long Wave Pass Edge Filter500FH90-25
500.0nm Cut-on, 50.0 mm dia., unmounted, Long Wave Pass Edge Filter500FH90-50
500.0nm Cut-on, 50.0 x 50.0 mm sq., unmounted, Long Wave Pass Edge Filter500FH90-50S
550.0nm Cut-on, 12.5 mm dia., unmounted, Long Wave Pass Edge Filter550FH90-12.5
550.0nm Cut-on, 25.0 mm dia., unmounted, Long Wave Pass Edge Filter550FH90-25
550.0nm Cut-on, 50.0 mm dia., unmounted, Long Wave Pass Edge Filter550FH90-50
550.0nm Cut-on, 50.0 x 50.0 mm sq., unmounted, Long Wave Pass Edge Filter550FH90-50S
600.0nm Cut-on, 12.5 mm dia., unmounted, Long Wave Pass Edge Filter600FH90-12.5
600.0nm Cut-on, 25.0 mm dia., unmounted, Long Wave Pass Edge Filter600FH90-25
600.0nm Cut-on, 50.0 mm dia., unmounted, Long Wave Pass Edge Filter600FH90-50
600.0nm Cut-on, 50.0 x 50.0 mm sq., unmounted, Long Wave Pass Edge Filter600FH90-50S
650.0nm Cut-on, 12.5 mm dia., unmounted, Long Wave Pass Edge Filter650FH90-12.5
650.0nm Cut-on, 25.0 mm dia., unmounted, Long Wave Pass Edge Filter650FH90-25
650.0nm Cut-on, 50.0 mm dia., unmounted, Long Wave Pass Edge Filter650FH90-50
650.0nm Cut-on, 50.0 x 50.0 mm sq., unmounted, Long Wave Pass Edge Filter650FH90-50S
700.0nm Cut-on, 12.5 mm dia., unmounted, Long Wave Pass Edge Filter700FH90-12.5
700.0nm Cut-on, 25.0 mm dia., unmounted, Long Wave Pass Edge Filter700FH90-25
700.0nm Cut-on, 50.0 mm dia., unmounted, Long Wave Pass Edge Filter700FH90-50
700.0nm Cut-on, 50.0 x 50.0 mm sq., unmounted, Long Wave Pass Edge Filter700FH90-50S
750.0nm Cut-on, 12.5 mm dia., unmounted, Long Wave Pass Edge Filter750FH90-12.5
750.0nm Cut-on, 25.0 mm dia., unmounted, Long Wave Pass Edge Filter750FH90-25
750.0nm Cut-on, 50.0 mm dia., unmounted, Long Wave Pass Edge Filter750FH90-50
750.0nm Cut-on, 50.0 x 50.0 mm sq., unmounted, Long Wave Pass Edge Filter750FH90-50S
800.0nm Cut-on, 12.5 mm dia., unmounted, Long Wave Pass Edge Filter800FH90-12.5
800.0nm Cut-on, 25.0 mm dia., unmounted, Long Wave Pass Edge Filter800FH90-25
800.0nm Cut-on, 50.0 mm dia., unmounted, Long Wave Pass Edge Filter800FH90-50
800.0nm Cut-on, 50.0 x 50.0 mm sq., unmounted, Long Wave Pass Edge Filter800FH90-50S
850.0nm Cut-on, 12.5 mm dia., unmounted, Long Wave Pass Edge Filter850FH90-12.5
850.0nm Cut-on, 25.0 mm dia., unmounted, Long Wave Pass Edge Filter850FH90-25
850.0nm Cut-on, 50.0 mm dia., unmounted, Long Wave Pass Edge Filter850FH90-50
850.0nm Cut-on, 50.0 x 50.0 mm sq., unmounted, Long Wave Pass Edge Filter850FH90-50S
900.0nm Cut-on, 12.5 mm dia., unmounted, Long Wave Pass Edge Filter900FH90-12.5
900.0nm Cut-on, 25.0 mm dia., unmounted, Long Wave Pass Edge Filter900FH90-25
900.0nm Cut-on, 50.0 mm dia., unmounted, Long Wave Pass Edge Filter900FH90-50
900.0nm Cut-on, 50.0 x 50.0 mm sq., unmounted, Long Wave Pass Edge Filter900FH90-50S
950.0nm Cut-on, 12.5 mm dia., unmounted, Long Wave Pass Edge Filter950FH90-12.5
950.0nm Cut-on, 25.0 mm dia., unmounted, Long Wave Pass Edge Filter950FH90-25
950.0nm Cut-on, 50.0 mm dia., unmounted, Long Wave Pass Edge Filter950FH90-50
950.0nm Cut-on, 50.0 x 50.0 mm sq., unmounted, Long Wave Pass Edge Filter950FH90-50S
1000.0nm Cut-on, 12.5 mm dia., unmounted, Long Wave Pass Edge Filter100FH90-12.5
1000.0nm Cut-on, 25.0 mm dia., unmounted, Long Wave Pass Edge Filter100FH90-25
1000.0nm Cut-on, 50.0 mm dia., unmounted, Long Wave Pass Edge Filter100FH90-50
1000.0nm Cut-on, 50.0 x 50.0 mm sq., unmounted, Long Wave Pass Edge Filter100FH90-50S

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