Volume Holographic Grating Diplexer0 pages

Advanced Optical Filter Technology

Volume Holographic Grating Diplexer

Description:
The Volume Holographic
Grating Diplexer (VHGD)
enables compact designs of
low cost diplexers for fiber to
the home (FTTH) and beam
combining applications.
The VHGD diffracts the 1490
nm beam while transmitting
the 1310 nm signal.
The transmission geometry
allows the transmitter (Tx)
and the receiver (Rx) to be
placed on the same side.

VHGD
Tx:1310 nm
Collimator
Rx:1490 nm

Specifications:
Parameter

Features:
!
!
!

Stable and reliable
0.1 dB transmission loss

Min.
20

Typ.

Bandwidth @1490 nm (-1 dB)

nm

Peak efficiency @ 1490 nm

%

Transmission loss

dB

Polarization depend loss (PDL)

dB

Max.

0.1

o

8

Angle separation

o

Operating temperature range

Custom sizes and
bandwidths available

Specification

Units

C

95
0.1

-40

125

Temperature sensitivity

0

nm/ C

0.01

Standard dimensions*
Length
Width

mm
mm

2
1.5

* Custom dimensions available

Applications:
· CATV
! Fiber to the home (FTTH)
! Beam combining

PART NUMBERING SYSTEM:

VHGD - _

_

Width [mm]
Length [mm]
Preliminary Specification

850 E. Duarte Rd. Monrovia, CA 91016 Tel: (626) 357-9600 Fax: (626) 357-9321 sales@ondax.com