features	applications
high return loss	fiber sensor
high extinction ratio	fiber amplifier
low insertion loss	fiber lasers
excellent environmental stability	research

performance specifications 

parameters	unit	values
center wavelength (��c)	nm	1310, 1480 or 1550
operating wavelength range	nm	��20
typ. insertion loss	db	0.3
max. insertion loss	db	0.5
min. return loss	db	50
min. extinction ratio (slow axis of port 1 is aligned to slow axis of port 2, for pm-pm type, at 23��c)	db	20
min. extinction ratio (slow axis of port 2 is aligned to fast axis of port 1, for pm-pm type, at 23��c)	db	20
rotation angle at 23��c, ��c	��c	45��1
max. optical power (cw)	mw	500
max. tensile load	n	5
operating temperature	��c	-5 to +70
storage temperature	��c	-40 to +85

*above specifications are for devices without connectors.
*for devices with connectors, il will be 0.3db higher, rl will be 5db lower and er will be 2db lower.
*the pm fiber and the connector key are aligned to the slow axis.

size

ordering information 

ilf-�٢�-�ڢ�-�ۢ�-�ܢ�-��
�٢�: wavelength	�ۢ�: fiber jacket on port 1 & 2	�ܢ�: fiber type on port 1 & 2
31 - 1310nm	b - 250um bare fiber	1 - pm panda fiber
48 - 1480nm	d - 400um bare fiber	2 - smf-28e fiber
55 - 1550nm	l - 900um loose tube
ss - specify	s - specify	��: fiber length
		0.8 - 0.8m
�ڢ�: connector type on port 1 & 2		s - specify
1 - fc/upc
2 - fc/apc
3 - sc/upc
4 - sc/apc
n - none
s - specify

   In-Line Farady Rotator 1310nm 1480nm 1550nm