
UV to NEAR IR Region	I R Region

Anti-Reflection coating minimize surface reflection from optical systems. Generally, there is three types of Anti-Reflection ,

Single Layer Anti-Reflection(SLAR) is used in not many optical element in systems.Typically this coatings are relatively characterized by broad spectrum range of anti reflection ,insensitivity to incident angle ,and lower cost than other two types of Anti-Reflection.

Narrow Band Anti-Reflection (NBAR) exhibit lowest reflection at a specific wavelength, so this coating is commonly used in laser application for minimizing reflection at characterized laser wavelength.

Broad Band Anti-Reflection (BBAR in visible , IBAR in infrared) is used in many optical element in systems.This coatings are characterized by very low anti reflection in broad spectrum range ,so they have sensitive to incident angle in comparison to SLAR

General Specification

Standard size : 25.4mm(nominal)

Thickness : 2.0mm(nominal)

Size Tolerance : +/ -0.25mm

AOI : 0 degree

Reflectance per surface

SLAR : < 1.5 %

NBAR : < 0.25 %

S-NBAR: < 0.05%

BBAR : < 0.5 %

Filter Number Identification

SLAR	-	200	-	A
Filter Code	-	Wavelength	-	Size (A = 12.5mm, B=25.4mm C=50.0)

UV to NEAR IR Region

Filter Type

Wavelength Range(mm)

Filter Number

A:12.5mm B:25.4mm C:50.0mm

   SLAR
   SLAR
   SLAR
   SLAR
   SLAR

NBAR
S-NBAR

   BBAR
   BBAR
   BBAR
   BBAR

      200 - 350
      300 - 600
      420 - 680
      650 - 1250
      1100 - 1600

193 - 2500 (each point)
193 - 1500 (each point)

      248 - 420
      440 - 680
      650 - 1000
      1000 - 1500

SLAR - 200
SLAR - 300
SLAR - 420
SLAR - 650
SLAR - 1100

NBAR - 193
S-NBAR - 193

BBAR - 248
BBAR - 440
BBAR - 650
BBAR - 1100

A
A
A
A
A

A
A

A
A
A
A

B
B
B
B
B

B
B

B
B
B
B

C
C
C
C
C

C
C

C
C
C
C