Custom Bandpass Filters by Andover Corporation

To select a custom bandpass filter:

Find the desired bandwidth
Select the number of cavities within that bandwidth, if applicable
Find the proper wavelength range within that bandwidth
Choose a blocking range (X-ray to 1µ or X-ray to FIR)
Select a standard size
Select the part number that corresponds to your choices to view part detail AND pricing

FWHM (nm)	# of cavities	Filter type	CW/L range (nm)	CW/L tolerance (nm)	1µ	FIR	n*	12.5MM Ø	25MM Ø	50MM Ø
Step 1	Step 2		Step 3		Step 4			Steps 5 & 6
					Min Tx (%) blocked to:			PART NUMBERS
20.0 ± 4.0	--	8	214.0-250.0	± 2.5	---	12	------	200FC00-12.5	200FC00-25	200FC00-50
	---	8	250.1-320.0	± 2.5	---	15	------	200FC02-12.5	200FC02-25	200FC02-50
	5	5	320.1-400.0	± 2.5	---	30	1.45	200FC32-12.5	200FC32-25	200FC32-50
20.0± 4.0	3	3	400.1-480.0	± 2.0	50	45	1.45	200FC33-12.5	200FC33-25	200FC33-50
	3	3	480.1-550.0	± 2.0	65	50	1.45	200FC35-12.5	200FC35-25	200FC35-50
	3	3	550.1-750.0	± 2.0	70	50	1.45	200FC36-12.5	200FC36-25	200FC36-50
	3	3	750.1-950.0	± 2.0	70*	50	2.05	200FC37-12.5	200FC37-25	200FC37-50
	3	3	950.1-1100.0	± 2.0	70**	50	2.05	200FC38-12.5	200FC38-25	200FC38-50
	3	3	1100.1-1300.0	± 2.0	70***	30	2.05	200FC39-12.5	200FC39-25	200FC39-50
	3	3	1300.1-1550.0	± 2.0	70****	30	2.05	200FC40-12.5	200FC40-25	200FC40-50
	3	3	1550.1-2400.0	± 2.0	60*****	-	2.05	200FC41-12.5	200FC41-25	200FC41-50
20.0 ± 4.0	4	4	480.0-550.0	± 2.0	65	45	1.45	200FC45-12.5	200FC45-25	200FC45-50
	4	4	550.1-750.0	± 2.0	70	50	1.45	200FC46-12.5	200FC46-25	200FC46-50
	4	4	750.1-950.0	± 2.0	70*	50	2.05	200FC47-12.5	200FC47-25	200FC47-50
	4	4	950.1-1100.0	± 2.0	70**	40	2.05	200FC48-12.5	200FC48-25	200FC48-50
* Blocking to 1200nm Blocking to 1300nm * Blocking to 1550nm ** Blocking to 2400nm *** Blocking to 3200nm


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