NEL分布式反饋(DFB)激光器/TDLAS 描述 --> NEL激光器是基于半導體的DFB激光器，共有NLK和KELD兩個系列。NLK系列的波長范圍從O-band至UL+-band，1260~1705nm，功率有10mW和20mW兩種可選；KELD系列為長波長激光器，波長范圍為1735~2330nm，功率有2mW、5mW和10mW可選。該類型激光器非常適合氣體探測、光通訊等應用。

■ 半導體DFB激光器
■ 波長范圍1260~2400nm
■ 多種封裝可選，14pin 蝶形封裝、TO56和帶TEC的TO5

■ 近紅外氣體探測、分析
■ 可調半導體激光吸收譜（TDLAS）
■ 光纖傳感

ecom-bａnd 通訊波段

Wanelength Band	Wavelength	Package
		TO-CAN		TO5 with TEC *	14-pin Butterfly
		10 mW	20 mW	10 mW	10 mW	20 mW
O-band	1260-1360 nm	NLK1B5C1TA	NLK1B5D1TA	NLK1B5EAYF	NLK1B5EAAA	NLK1B5GAAA
E-band	1360-1460 nm	NLK1E5C1TA	NLK1E5D1TA	NLK1E5EAYF	NLK1E5EAAA	NLK1E5GAAA
S-band	1460-1530 nm	NLK1S5C1TA	NLK1S5D1TA	NLK1S5EAYF	NLK1S5EAAA	NLK1S5GAAA
C-band	1530-1565 nm	NLK1C5C1TA	NLK1C5D1TA	NLK1C5EAYF	NLK1C5EAAA	NLK1C5GAAA
L-band	1565-1625 nm	NLK1L5C1TA	NLK1L5D1TA	NLK1L5EAYF	NLK1L5EAAA	NLK1L5GAAA
UL-band	1625-1670 nm	NLK1U5C1TA	NLK1U5D1TA	NLK1U5EAYF	NLK1U5EAAA	(NLK1U5FAAA) (15mW)
UL(+)-band	1670-1690 nm	NLK1U5C1TA (1670-1690)	-	-	NLK1U5EAAA (1670-1690)	-
	1690-1705 nm	NLK1U5C1TA (1690-1705)	-	-	NLK1U5EAAA (1690-1705)	-

Longer wavelength 長波波段

Wavelength	Package
	TO-CAN	TO5 with TEC *	14-pin Butterfly
1735-1805 nm	KELD1F5C2TA (10 mW)	KELD1F5EAYF (10 mW)	KELD1F5DAAA (5 mW)
1865-1890 nm 1995-2015 nm	KELD1G5B2TA (5 mW)	KELD1G5DAYF (5 mW)	KELD1G5BAAA (2 mW)
near 2050 nm	KELD1G5A4TA-2050 (5 mW)	-	KELD1G5BAAA (2050) (2 mW)
near 2100 nm	KELD1G5A4TA-2100 (5 mW)	-	KELD1G5BAAA (2100) (2 mW)
near 2330 nm	KELD1G5B2TA (2330) (2 mW) *	KELD1G5BAYF (2330) (2 mW)	KELD1G5BAAH (2330) (2 mW)