バンド幅可変型波長可変フィルター
XTM-50

チューニングレンジ 1260～1650nm、バンド幅 32pm～5nm。
アナログ式バンド幅可変型波長可変フィルター。

特長

Optical Characteristics	XTM-50 Standard	XTM-50 Ultrafine	XTM-50 O-band ^*1	XTM-50 Wide
Wavelength range	1450-1650 nm	1480-1620 nm	1260-1360 nm	1525-1610 nm
Wavelength resolution ^*2	5 pm	5 pm	5 pm	5 pm
Minimum bandwidth (FWHM)	50 pm (6.25 GHz)	32 pm (4 GHz)	50 pm (8 GHz)	50 pm (6.25 GHz)
Maximum bandwidth (FWHM)	950 pm (120 GHz)	650 pm (80 GHz)	900 pm (160 GHz)	5000 pm (625 GHz)
Bandwidth resolution	1 pm	1 pm	1 pm	0.3 % of FWHM typ.
Filter edge roll-off	500 dB/nm typical ^*3	800 dB/nm typical	500 dB/nm typical ^*3	500 dB/nm typical ^*4
Insertion loss	5 dB (4.5 dB typical) ^{5, 6}	5 dB (4.0 dB typical) ^{6, 7}	5 dB (4.5 dB typical) ^{6, 8}	5 dB (4.5 dB typical) ^{9, 10}
Flatness	0.2 dB ^*11	0.2 dB ^*12	0.3 dB ^{11, 13}	0.2 dB ^*13
Polarization dependent loss	±0.2 dB ^*5	±0.2 dB ^*7	±0.2 dB ^*8	±0.2 dB ^*9
Out-of-band suppression (crosstalk)	40 dB (60 dB typical) ^*15	40 dB (50 dB typical) ^*15	40 dB (60 dB typical) ^*15	40 dB (45 dB typical) ^*15

Optical Characteristics	XTM-50 Standard	XTM-50 Ultrafine	XTM-50 O-band ^*1	XTM-50 Wide
Optical fiber type	SMF or PMF	SMF or PMF	SMF or PMF	SMF
Connector type	FC/PC or FC/APC	FC/PC or FC/APC	FC/PC or FC/APC	FC/PC or FC/APC

Optical Characteristics	XTM-50 Standard	XTM-50 Ultrafine	XTM-50 O-band ^*1	XTM-50 Wide
Temperature range	15 to 35 °C	15 to 35 °C	15 to 35 °C	15 to 35 °C
Maximum optical input power	30 dBm	30 dBm	30 dBm	27 dBm

Optical Characteristics	XTM-50 Standard	XTM-50 Ultrafine	XTM-50 O-band ^*1	XTM-50 Wide
Dimensions (W x D x H)	230 x 175 x 136 mm	230 x 175 x 136 mm	230 x 175 x 136 mm	230 x 175 x 136 mm
Weight	2.2 kg	2.2 kg	2.2 kg	2.2 kg

Notes

*1

Specifications apply for wavelengths not equal to anywater absorption line.
*2

With "Backlash Suppression" setting enabled.
*3

Between –3 and –40 dB for FWHM <800 pm.
*4

Between –3 and –40 dB. Typically 550 dB/nm @ FWHM = 50 pm, 450 dB/nm @ FWHM = 1 nm, 225 dB/nm @ FWHM = 5 nm.
*5

From 1500 to 1600 nm & FWHM >100 pm.
*6

At lowest FWHM the insertion loss is 7 dB typical.
*7

From 1500 to 1600 nm & FWHM >60 pm.
*8

From 1280 to 1340 nm & FWHM >100 pm.
*9

For FWHM >100 pm.
*10

At lowest FWHM the insertion loss is < 7.0 dB.
*11

Centered width of FWHM-150 pm. For 150 pm < FWHM < 650 pm.
*12

Centered width of FWHM-100 pm. For 100 pm < FWHM < 500 pm.
*13

From 1280 to 1340 nm.
*14

Centered width of FWHM-150 pm. For 150 pm < FWHM < 2000 pm.
*15

Measured 1 nm away from the –3 dB points.

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