1550 nm DFB Laser Diode, Dual Isolator, up to 30 mW （TO60 Package）

The PL-DWDM-DFB-□□□□-☆-A8▽-TO60 1550nm DFB laser diode module made by LD-PD is a cost effective, highly coherent laser source. The DFB laser diode chip is packaged in an industry standard hermetically sealed TO60 package with TEC and PD Built in.We also have our special design with Isolator built inside our Laser,greatly improved the laser diode’s performance stability.

Name	Model	Description	Parameter	Price
1550 nm DFB Laser Diode, Dual Isolator, up to 30 mW （TO60 Package） [PDF] [RFQ]	PL-DWDM-DFB-1550-B-A82-TO60 Stock NO.: A80012794	Central wavelength 1550nm, Output power20 mW, Narrow linewidth 3 MHz, Tolerance ±1nm,	Central wavelength: 1550nm Output power: 20mW Package: TO-60 Lead Time: in stock	[Please inquire] Call us

Name

Model

Description

Parameter

Price

1550 nm DFB Laser Diode, Dual Isolator, up to 30 mW （TO60 Package） [PDF] [RFQ]

PL-DWDM-DFB-1550-B-A82-TO60
Stock NO.: A80012794

Central wavelength 1550nm, Output power20 mW, Narrow linewidth 3 MHz, Tolerance ±1nm,

Central wavelength: 1550nm

Output power: 20mW

Package: TO-60

Lead Time: in stock

[Please inquire]

Call us

Parameter

Features

● Up to 30 mW output power

● Low RIN noise, -145 dB/Hz maximum

● Narrow linewidth, 2 MHz typ.

● Any Wavelenghts to select: from 1210 nm - 2300nm

● Built-in TEC, Thermistor & Monitor PD

Laser Specifications

Tsub=25°C, CW bias unless stated otherwise

Parameter	Symbol	Min	Typ	Max	Unit
Centre Wavelength	λ	DWDM ITU Channels^*1			nm
Side Mode Suppression Ratio	SMSR	30	40		dB
Isolation(Single/Dual Stage)	ISO		28/56		dB
Threshold Current	Ith		20	30	mA
Operating Current	Iop		80	120	mA
Chip output Power	Pf	10	20	35	mW
Quantum Efficiency	η	0.15	0.25		mW/mA
Current Tuning Coefficient	∆λ/∆I		0.015		nm/mA
Temperature Tuning Coefficient	∆λ/∆T		0.12		nm/K
Forward Voltage	Vf		1.3	2	V
Thermistor Resistance	RT	9.5	10	10.5	KΩ
Thermistor Temp. Coefficient			-4.4		%/°C
Line width	LW	1	3	10	MHZ
Relative Intensity Noise	RIN	-135	-140	-145	dB/HZ

1. Reference the Appendix table.

Spectrum

Tuning Characteristics

L-I Curve

DFB Linewidth Testing Result

Wavelength Stability

Power Stability

Mode-Hop Free Wavelength Tuning

Beam Quality

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Camera Analysis

Dimensions and Pin definitions

Unit（mm）

Absolute Maximum Ratings

Item	Unit	Min	Typ	Max
Case Temperature	℃	-5	25	70
Chip Temperature	℃	+10	25	40
Operating Current	mA	0	120	150
Forward Voltage	V	0.8	1.2	1.8
TEC Current	A	-	-	1.2
Reverse Voltage（LD）	V	-	-	2.0
Reverse Voltage(PD)	V	-	-	20

Application

● Dense Wavelength Division Multiplex (DWDM)

● Industry Inspection

● Hybrid Fiber-Coaxial (HFC)

● General laboratory and research use

Ordering Info

PL-DWDM-DFB-□□□□-☆-A8▽-TO60

□□□□：Wavelength

1532: 1532nm

*****

1572: 1572nm

☆ ：Output Power

A: 10mW

B: 20mW

▽：Isolator

0: No Isolator

1: Single stage Isolator

2: Dual Stage Isolator

Appendix 1

DWDM ITU Grid 100GHz Channels
#	GHz	nm	#	GHz	nm
1	190100	1577.03	37	193700	1547.72
2	190200	1576.20	38	193800	1546.92
3	190300	1575.37	39	193900	1546.12
4	190400	1574.54	40	194000	1545.32
5	190500	1573.71	41	194100	1544.53
6	190600	1572.89	42	194200	1543.73
7	190700	1572.06	43	194300	1542.94
8	190800	1571.24	44	194400	1542.14
9	190900	1570.42	45	194500	1541.35
10	191000	1569.59	46	194600	1540.56
11	191100	1568.11	47	194700	1539.77
12	191200	1567.95	48	194800	1538.98
13	191300	1567.13	49	194900	1538.19
14	191400	1566.31	50	195000	1537.40
15	191500	1565.50	51	195100	1536.61
16	191600	1564.68	52	195200	1535.82
17	191700	1563.86	53	195300	1535.04
18	191800	1563.05	54	195400	1534.25
19	191900	1562.23	55	195500	1533.47
20	192000	1561.42	56	195600	1532.68
21	192100	1560.61	57	195700	1531.90
22	192200	1559.79	58	195800	1531.12
23	192300	1558.98	59	195900	1530.33
24	192400	1558.17	60	196000	1529.55
25	192500	1557.36	61	196100	1528.77
26	192600	1556.56	62	196200	1527.99
27	192700	1555.75	63	196300	1527.22
28	192800	1554.94	64	196400	1526.44
29	192900	1554.13	65	196500	1525.66
30	193000	1553.33	66	196600	1524.89
31	193100	1552.52	67	196700	1524.11
32	193200	1551.72	68	196800	1523.34
33	193300	1550.92	69	196900	1522.56
34	193400	1550.12	70	197000	1521.79
35	193500	1549.32	71	197100	1521.02
36	193600	1548.52	72	197200	1520.25

1550 nm DFB Laser Diode, Dual Isolator, up to 30 mW （TO60 Package）

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