Fixed Optical Attenuator

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The Fixed Optical Attenuator by using metal-ion doped fiber can control optical power to desired levels.

Features

The following features can be obtained, using by metal-ion doped optical fibers.

●Simple structure
●Superior durability
●Low polarization dependence
●Low wavelength dependence
●High return loss
●The telecordia GR-1209-CORE
and GR-910, 1221-CORE conformed

Ordering Information

Comparison

Items	SHOWA's product	Other's product
Structure
Principle	Absorption by metal-ion doped fiber	Absorption by metal coated mirror
Polishing	2 surfaces to be polished	4 surfaces to be polished
Material	metal-ion doped optical fiber with one ferrule	Optical fiber - metal coated mirror with 2 fibers
Durability	about 100mW	about 10mW

Power durability

Wavelength dependence

Specifications

Type	Type No.	Attenuation (dB)	Wavelength (nm)	Return loss (dB)
FC type	KFCAT01SL-UP	1	1310 & 1550	≧50 UPC polish
	KFCAT02SL-UP	2
	KFCAT03SL-UP	3
	KFCAT04SL-UP	4
	KFCAT05SL-UP	5
	KFCAT06SL-UP	6
	KFCAT07SL-UP	7
	KFCAT08SL-UP	8
	KFCAT09SL-UP	9
	KFCAT10SL-UP	10
	KFCAT15SL-UP	15
	KFCAT20SL-UP	20
SC type	KSCAT01SL-UP	1	1310 & 1550	≧50 UPC polish
	KSCAT02SL-UP	2
	KSCAT03SL-UP	3
	KSCAT04SL-UP	4
	KSCAT05SL-UP	5
	KSCAT06SL-UP	6
	KSCAT07SL-UP	7
	KSCAT08SL-UP	8
	KSCAT09SL-UP	9
	KSCAT10SL-UP	10
	KSCAT15SL-UP	15
	KSCAT20SL-UP	20
SC type	KSCAT01SL-AP	1	1310 & 1550	≧60 Angeled PC polish
	KSCAT02SL-AP	2
	KSCAT03SL-AP	3
	KSCAT04SL-AP	4
	KSCAT05SL-AP	5
	KSCAT06SL-AP	6
	KSCAT07SL-AP	7
	KSCAT08SL-AP	8
	KSCAT09SL-AP	9
	KSCAT10SL-AP	10
	KSCAT15SL-AP	15
	KSCAT20SL-AP	20

SWCC CORPORATION

International Trade Dept.
Shiroyama Trust Tower, 3-1, Toranomon 4-chome,
Minato-ku, Tokyo 105-6012, Japan
Tel: +81-3-5404-6961 Fax: +81-3-3436-2571

Overseas Sales Offices

■ Singapore: SWCC SHOWA (S) PTE. LTD.
64, Sungei Kadut Street 1, Singapore 729365
Tel: +65-6365-4380 Fax: +65-6362-3517

■ Shanghai: SWCC SHOWA (SHANGHAI) CO., LTD.
Room No.2501 ShengGao International Building,
No.137, Xianxia Road, ChangNing District, Shanghai 200051, China
Tel: +86-21-6241-9661 Fax: +81-21-6241-6507

■ Taiwan: SWCC CORPORATION
TAIPEI REPRESENTATIVE OFFICE
Room 120, 17Floor, No.167, Dunhua North Road, Songshang Dist., Taipei, Taiwan
Tel: +886-2-2546-8873 Fax: +886-2-2546-1168

■ Hong Kong: SWCC SHOWA (H.K.) CO., LTD.
Unit 701, 7/F, Greenfield Tower,Concordia Plaza,
1 Science Museum Rd., Tsim Sha Tsui, KLN., Hong Kong
Tel: +852-2712-4141 Fax: +852-2713-5600

: Energy Systems Field; Communication Systems Field; Optical Fibers; Optical connector assemblies; Device Field