保偏機(jī)械式衰減器pmmvoa-1315

：本公司生產(chǎn)的保偏產(chǎn)品種類繁多，有起偏器，準(zhǔn)直器，分路器，衰減器，分束器，隔離器，環(huán)形器，合束器，耦合
器，旋轉(zhuǎn)器，法拉第鏡，波分復(fù)用器等等。波長(zhǎng)范圍從980nm到1550nm，按照客戶要求還可以提供c-band,lband
等寬帶器件。廣泛應(yīng)用于保偏光纖放大器，光纖激光器，高速通訊系統(tǒng)及實(shí)驗(yàn)用測(cè)試儀器及設(shè)備。具有寬帶寬，
高回?fù)p，高消光比，環(huán)境穩(wěn)定性強(qiáng)等特點(diǎn)

1. features:
low original loss
high extinction ratio
wide attenuation range
excellent environmental stability
and reliability

4. specifications:
type
parameter unit values
center wavelength nm 1310 & 1550 980 & 1060
operating wavelength range nm ±40 980±20 or 1060±30
max. original loss db 0.5 0.6 0.6 0.7
attenuation range db 0.5 ~ 60 0.6 ~ 50 0.6 ~ 60 0.7 ~ 50
extinction ratio (typical) db ≥20 (22) ≥20 (22)
return loss db ≥50 ≥50
adjustment precision db 0.02
power handling mw ≤500
tensile load n ≤5
fiber type / sm98-ps-u25a, sm13-ps-u25a or sm15-
ps-u25a
dimensions mm 26× 18× 8
operating temperature ℃ -5 to +70
storage temperature ℃ -40 to +85
*the specifications are w/o connector.
* for devices with connectors, 0.3db higher for il, 5db lower forrl and 2db lower for er.
* for device with connector, key aligned to slow axis.