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產品名稱： 長波通濾光片Andover

發布日期： 2025-04-08

訪問量： 1530

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清潔和處理。它們的膜結構本質上是經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)

DESCRIPTION	PART NO.
300.0nm Cut-on, 12.5 mm dia., unmounted, Long Wave Pass Edge Filter	300FH90-12.5
300.0nm Cut-on, 25.0 mm dia., unmounted, Long Wave Pass Edge Filter	300FH90-25
300.0nm Cut-on, 50.0 mm dia., unmounted, Long Wave Pass Edge Filter	300FH90-50
300.0nm Cut-on, 50.0 x 50.0 mm sq., unmounted, Long Wave Pass Edge Filter	300FH90-50S
325.0nm Cut-on, 12.5 mm dia., unmounted, Long Wave Pass Edge Filter	325FH90-12.5
325.0nm Cut-on, 25.0 mm dia., unmounted, Long Wave Pass Edge Filter	325FH90-25
325.0nm Cut-on, 50.0 mm dia., unmounted, Long Wave Pass Edge Filter	325FH90-50
325.0nm Cut-on, 50.0 x 50.0 mm sq., unmounted, Long Wave Pass Edge Filter	325FH90-50S
350.0nm Cut-on, 12.5 mm dia., unmounted, Long Wave Pass Edge Filter	350FH90-12.5
350.0nm Cut-on, 25.0 mm dia., unmounted, Long Wave Pass Edge Filter	350FH90-25
350.0nm Cut-on, 50.0 mm dia., unmounted, Long Wave Pass Edge Filter	350FH90-50
350.0nm Cut-on, 50.0 x 50.0 mm sq., unmounted, Long Wave Pass Edge Filter	350FH90-50S
375.0nm Cut-on, 12.5 mm dia., unmounted, Long Wave Pass Edge Filter	375FH90-12.5
375.0nm Cut-on, 25.0 mm dia., unmounted, Long Wave Pass Edge Filter	375FH90-25
375.0nm Cut-on, 50.0 mm dia., unmounted, Long Wave Pass Edge Filter	375FH90-50
375.0nm Cut-on, 50.0 x 50.0 mm sq., unmounted, Long Wave Pass Edge Filter	375FH90-50S
400.0nm Cut-on, 12.5 mm dia., unmounted, Long Wave Pass Edge Filter	400FH90-12.5
400.0nm Cut-on, 25.0 mm dia., unmounted, Long Wave Pass Edge Filter	400FH90-25
400.0nm Cut-on, 50.0 mm dia., unmounted, Long Wave Pass Edge Filter	400FH90-50
400.0nm Cut-on, 50.0 x 50.0 mm sq., unmounted, Long Wave Pass Edge Filter	400FH90-50S
450.0nm Cut-on, 12.5 mm dia., unmounted, Long Wave Pass Edge Filter	450FH90-12.5
450.0nm Cut-on, 25.0 mm dia., unmounted, Long Wave Pass Edge Filter	450FH90-25
450.0nm Cut-on, 50.0 mm dia., unmounted, Long Wave Pass Edge Filter	450FH90-50
450.0nm Cut-on, 50.0 x 50.0 mm sq., unmounted, Long Wave Pass Edge Filter	450FH90-50S
500.0nm Cut-on, 12.5 mm dia., unmounted, Long Wave Pass Edge Filter	500FH90-12.5
500.0nm Cut-on, 25.0 mm dia., unmounted, Long Wave Pass Edge Filter	500FH90-25
500.0nm Cut-on, 50.0 mm dia., unmounted, Long Wave Pass Edge Filter	500FH90-50
500.0nm Cut-on, 50.0 x 50.0 mm sq., unmounted, Long Wave Pass Edge Filter	500FH90-50S
550.0nm Cut-on, 12.5 mm dia., unmounted, Long Wave Pass Edge Filter	550FH90-12.5
550.0nm Cut-on, 25.0 mm dia., unmounted, Long Wave Pass Edge Filter	550FH90-25
550.0nm Cut-on, 50.0 mm dia., unmounted, Long Wave Pass Edge Filter	550FH90-50
550.0nm Cut-on, 50.0 x 50.0 mm sq., unmounted, Long Wave Pass Edge Filter	550FH90-50S
600.0nm Cut-on, 12.5 mm dia., unmounted, Long Wave Pass Edge Filter	600FH90-12.5
600.0nm Cut-on, 25.0 mm dia., unmounted, Long Wave Pass Edge Filter	600FH90-25
600.0nm Cut-on, 50.0 mm dia., unmounted, Long Wave Pass Edge Filter	600FH90-50
600.0nm Cut-on, 50.0 x 50.0 mm sq., unmounted, Long Wave Pass Edge Filter	600FH90-50S
650.0nm Cut-on, 12.5 mm dia., unmounted, Long Wave Pass Edge Filter	650FH90-12.5
650.0nm Cut-on, 25.0 mm dia., unmounted, Long Wave Pass Edge Filter	650FH90-25
650.0nm Cut-on, 50.0 mm dia., unmounted, Long Wave Pass Edge Filter	650FH90-50
650.0nm Cut-on, 50.0 x 50.0 mm sq., unmounted, Long Wave Pass Edge Filter	650FH90-50S
700.0nm Cut-on, 12.5 mm dia., unmounted, Long Wave Pass Edge Filter	700FH90-12.5
700.0nm Cut-on, 25.0 mm dia., unmounted, Long Wave Pass Edge Filter	700FH90-25
700.0nm Cut-on, 50.0 mm dia., unmounted, Long Wave Pass Edge Filter	700FH90-50
700.0nm Cut-on, 50.0 x 50.0 mm sq., unmounted, Long Wave Pass Edge Filter	700FH90-50S
750.0nm Cut-on, 12.5 mm dia., unmounted, Long Wave Pass Edge Filter	750FH90-12.5
750.0nm Cut-on, 25.0 mm dia., unmounted, Long Wave Pass Edge Filter	750FH90-25
750.0nm Cut-on, 50.0 mm dia., unmounted, Long Wave Pass Edge Filter	750FH90-50
750.0nm Cut-on, 50.0 x 50.0 mm sq., unmounted, Long Wave Pass Edge Filter	750FH90-50S
800.0nm Cut-on, 12.5 mm dia., unmounted, Long Wave Pass Edge Filter	800FH90-12.5
800.0nm Cut-on, 25.0 mm dia., unmounted, Long Wave Pass Edge Filter	800FH90-25
800.0nm Cut-on, 50.0 mm dia., unmounted, Long Wave Pass Edge Filter	800FH90-50
800.0nm Cut-on, 50.0 x 50.0 mm sq., unmounted, Long Wave Pass Edge Filter	800FH90-50S
850.0nm Cut-on, 12.5 mm dia., unmounted, Long Wave Pass Edge Filter	850FH90-12.5
850.0nm Cut-on, 25.0 mm dia., unmounted, Long Wave Pass Edge Filter	850FH90-25
850.0nm Cut-on, 50.0 mm dia., unmounted, Long Wave Pass Edge Filter	850FH90-50
850.0nm Cut-on, 50.0 x 50.0 mm sq., unmounted, Long Wave Pass Edge Filter	850FH90-50S
900.0nm Cut-on, 12.5 mm dia., unmounted, Long Wave Pass Edge Filter	900FH90-12.5
900.0nm Cut-on, 25.0 mm dia., unmounted, Long Wave Pass Edge Filter	900FH90-25
900.0nm Cut-on, 50.0 mm dia., unmounted, Long Wave Pass Edge Filter	900FH90-50
900.0nm Cut-on, 50.0 x 50.0 mm sq., unmounted, Long Wave Pass Edge Filter	900FH90-50S
950.0nm Cut-on, 12.5 mm dia., unmounted, Long Wave Pass Edge Filter	950FH90-12.5
950.0nm Cut-on, 25.0 mm dia., unmounted, Long Wave Pass Edge Filter	950FH90-25
950.0nm Cut-on, 50.0 mm dia., unmounted, Long Wave Pass Edge Filter	950FH90-50
950.0nm Cut-on, 50.0 x 50.0 mm sq., unmounted, Long Wave Pass Edge Filter	950FH90-50S
1000.0nm Cut-on, 12.5 mm dia., unmounted, Long Wave Pass Edge Filter	100FH90-12.5
1000.0nm Cut-on, 25.0 mm dia., unmounted, Long Wave Pass Edge Filter	100FH90-25
1000.0nm Cut-on, 50.0 mm dia., unmounted, Long Wave Pass Edge Filter	100FH90-50
1000.0nm Cut-on, 50.0 x 50.0 mm sq., unmounted, Long Wave Pass Edge Filter	100FH90-50S

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